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GOST 6691-77

ГОСТ 6691-77

Reagents. Urea. Specifications

Реактивы. Карбамид. Технические условия

Status: Effective - Supersedes. The limitation of effectiveness has been lifted: Protocol No. 2-92 of the IGU dated 05.10.92 (IUS 2-1993)

The standard applies to the reagent - urea, which is a colorless crystals or white crystalline powder.

Стандарт распространяется на реактив - карбамид, который представляет собой бесцветные кристаллы или белый кристаллический порошок.

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Format: Electronic (pdf/doc)

Approved: Gosstandart of the USSR, 4/5/1977

SKU: RUSS59197

Price: $217.00

English keywords: chemical reagents;


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The Product is Contained in the Following Classifiers:

PromExpert » SECTION I. TECHNICAL REGULATION » V Testing and control » 3 Activities of testing laboratories » 3.2 Technical equipment of testing laboratories » 3.2.3 Chemical reagents and highly pure substances » 3.2.3.1 Reagents »

ISO classifier » 71 CHEMICAL INDUSTRY » 71.040 Analytical Chemistry » 71.040.30 Chemical reagents »

National standards » 71 CHEMICAL INDUSTRY » 71.040 Analytical Chemistry » 71.040.30 Chemical reagents »

National Standards for KGS (State Standards Classification) » Latest edition » L Chemical products and rubber-asbestos products » L5 Reagents and highly pure substances » L52 Organic reagents »


As a Replacement Of:

GOST 6691-67: Urea

The Document References:

GOST 10555-75: Reagents and high-purity substances

GOST 10671.5-74: Reagents. Methods for the determination of sulfates

GOST 10671.7-74: Reagents. Methods for the determination of chlorides

GOST 14192-96: Cargo marking

GOST 1625-89: Formalin for industrial use. Specifications

GOST 17319-76: Reagents. Methods for the determination of heavy metals

GOST 1770-74: Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications

GOST 18300-87: Technical rectified ethyl alcohol. Specifications

GOST 18995.4-73: Organic chemical products. Methods for determination of melting point interval

GOST 19433-88: Dangerous goods. Classification and marking

GOST 19908-90: Transparent quartz glass crucibles, basins, cups, flasks, funnels, test-tubes and caps. General specifications

GOST 24104-88: General purpose and reference laboratory balances

GOST 25336-82: Laboratory glassware and equipment. Basic parameters and dimensions

GOST 25794.1-83: Reagents. Methods of preparation of standard volumetric solutions for acid-base titration

GOST 27025-86: Reagents. General test requirements

GOST 27184-86: Reagents. Determination of residue on ignition

GOST 3118-77: Reagents. Hydrochloric acid. Specifications

GOST 4165-78: Reageuts. Copper II sulphate pentahydrate. Specifications

GOST 4204-77: Reagents. Sulphuric acid. Specifications

GOST 4232-74: Reagents. Potassium iodide. Specifications

GOST 4328-77: Reagents. Sodium hydroxide. Specifications

GOST 4517-87: Reagents. Methods for preparation of accessory reagents and solutions used for analysis

GOST 4919.1-77: Reagents and matters of special purity. Methods for preparation of indicators solutions

GOST 5845-79: Reagents. Potassium-sodium tartrate 4-aqueous. Specifications

GOST 6563-75: Technical articles made of noble metals and their alloys. Specifications

GOST 6709-72: Distilled water. Specifications

The Document is Referenced By:

FR 1.31.2010.07688: Measurement procedure for the mass concentration of biochemical oxygen demand in wastewater and natural waters by the titrimetric method

GOST 10671.2-2016: Reagents. Methods for determination of nitrates

GOST 10671.2-74: Reagents. Methods for determination of nitrates

GOST 11078-78: Sodium hydrate purified. Specifications

GOST 11739.19-90: Aluminium casting and wrought alloys. Methods for determination of antimony

GOST 11930.12-79: Hard-facing materials. Method of antimony determination

GOST 12.4.147-84: Occupational safety standards system. Artificial leather for hand protection means. Method for determination of acid and alkali permeability

GOST 12348-78: Alloyed and high-alloyed steels. Methods of manganese determination

GOST 12350-78: Alloyed and high-alloyed steels. Methods of chromium determination

GOST 12351-2003: Alloyed and highalloyed steels. Methods for determination of vanadium

GOST 12351-81: Steels alloyed and highalloyed. Methods for the determination of vanadium

GOST 12357-84: Steels alloyed and highalloyed. Methods for the, determination of aluminium

GOST 12362-79: Alloy and high-alloy steels. Methods for determination of stibium, lead, tin, zinc and cadmium

GOST 12363-79: Steels alloyed and highalloyed. Methods for the determination of selenium

GOST 12364-84: Steels alloyed and highalloyed. Methods for the determination of cetium

GOST 12697.5-77: Aluminium. Method for determination of chromium

GOST 13047.12-2002: Nickel. Cobalt. Methods for determination of antimony

GOST 13047.12-2014: Nickel. Cobalt. Methods for determination of antimony

GOST 13047.16-81: Nickel. Methods for the determination of aluminium

GOST 13047.9-81: Nickel. Method for the determination of antimony

GOST 13151.10-82: Ferromolybdenum. Method for determination of antimony

GOST 13201.1-93: Ferrosilicochromium. Method for determination of chromium

GOST 13217.1-90: Ferrovanadium. Method for determination of vanadium

GOST 13310-78: Organic dyestuffs. Test methods of dyestuffs for leather

GOST 13637.4-93: Gallium. Method for the determination of iron

GOST 13979.9-69: Oilcakes and oilmeals. Measurement of urease activity

GOST 14047.9-78: Lead concentrates. Determination of antimony. Photometric method

GOST 14250.8-80: Ferrotitanium. Methods for determination of vanadium

GOST 1429.1-77: Tin-lead solders. Methods for the determination of antimony

GOST 1429.9-77: Tin-lead solders. Method for the determination of aluminium

GOST 14638.12-84: Ferrotungsten. Method for determination of antimony content

GOST 14657.12-78: Bauxite. Method for the determination of chromium oxide (VI)

GOST 15027.1-77: Non-tin bronze. Method for the determination of copper

GOST 15027.19-86: Tintless bronze. Methods for determination of tellurium

GOST 15027.2-77: Non-tin bronze. Methods for the determination of aluminium

GOST 15027.5-77: Non-tin bronze. Methods for the determination of nickel

GOST 15027.6-77: Non-tin bronze. Methods for the determination of silicon

GOST 15027.9-77: Non-tin bronze. Methods for the determination of antimony

GOST 15159-76: Technical felt and parts from it for technical products used in tropics. Specifications

GOST 15483.1-78: Tin. Methods for determination of antimony

GOST 15933.16-70: Ferroniobium. Method for the determination of antimony content

GOST 1652.10-77: Copper-zinc alloys. Methods for the determination of aluminium

GOST 1652.12-77: Copper-zinc alloys. Methods for the determination of silicon

GOST 1652.1-77: Copper-zinc alloys. Methods for the determination of copper

GOST 1652.6-77: Copper-zinc alloys. Methods for the determination of antimony

GOST 18262.9-88: Titan magnetite ores, iron vanadium concentrates, agglomerates and pellets. Methods for determination of vanadium pentoxide

GOST 18663-78: Fodder vitamin b12

GOST 1953.10-79: Tin bronze. Methods for the determination of stibium

GOST 1953.1-79: Tin bronze. Methods for the determination of copper

GOST 1953.5-79: Tin bronze. Methods for the determination of nickel

GOST 1953.8-79: Tin bronze. Methods for the determination of aluminium

GOST 1953.9-79: Tin bronze. Methods for the determination of silicon

GOST 19906-74: Sodium nitrite technical. Technical conditions

GOST 20580.7-80: Lead. Method for the determination of stibium

GOST 2082.11-81: Molybdenum concentrates. Method for determination of stibium content

GOST 20851.1-75: Mineral fertilizers. Methods for determination of nitrogen content

GOST 20996.1-2014: Selenium technical. Methods of selenium determination

GOST 20996.1-82: Selenium. Methods of selenium determination

GOST 20996.9-82: Selenium. Method of antimony determination

GOST 21237-75: Meat. Methods of bacteriological analysis

GOST 21600.17-83: Ferrochrome. Methods for the determination of chromium

GOST 21876.1-76: Ferromanganese. Method for the determination of manganese

GOST 21877.10-76: Tin and lead babbits. Methods for the determination of aluminium

GOST 22518.3-77: Lead of high purity. Colorimetric method for the determination of mercury

GOST 22536.10-88: Carbon steel and unalloyed cast iron. Methods for determination of alluminium

GOST 22536.12-88: Carbon steel and unalloyed cast iron. Methods for determination of vanadium

GOST 22536.14-88: Carbon steel and unalloyed cast iron. Methods for determination of zirconium

GOST 22536.5-87: Carbon steel and unalloyed cast iron. Methods for determination of manganese

GOST 22536.7-88: Carbon steel and unalloyed cast iron. Methods for determination of chromium

GOST 22772.10-90: Manganese ores, concentrates and agglomerates. Methods for determination aluminium

GOST 23581.21-81: Iron ores, concentrates, agglomerates and pellets. Methods for the determination of vanadium pentoxide

GOST 23581.2-79: Iron ores, concentrates, agglomerates and pellets. Methods of determination of manganese protoxide content

GOST 24018.2-80: Nickel-based fire-resistant alloys. Methods for the determination of antimony

GOST 24329-80: Modified wood. Modification methods

GOST 25278.2-82: Alloys and foundry alloys of rare metals. Method for determination of vanadium

GOST 25284.2-82: Zinc alloys. Methods for the determination of copper

GOST 25284.2-95: Zinc alloys. Methods for determination of copper

GOST 25311-82: Feeding flour of animal origin. Methods for bacteriological analysis

GOST 25779-90: Toys. General safety requirements and control methods

GOST 2604.5-84: Alloy cast iron. Methods for determination of manganese

GOST 26927-86: Raw material and food-stuffs. Methods for determination of mercury

GOST 27981.5-2015: Copper of high purity. Methods of photometric analysis

GOST 27981.5-88: Copper of high purity. Methods of photometric analysis

GOST 28178-89: Fodder yeast. Test methods

GOST 28990-91: Fertilizers. Determination of ammoniac nitrogen content in presence of other substances which realise ammonia when treated with sodium hydroxide. Tetrimetric method

GOST 29113-2016: Feeding stuff, mixed feeding stuff and feeding stuff raw material. Methods of determining Carbamide mass portion

GOST 30134-97: Fodder yeast. Method of accelerated determination of salmonellas

GOST 30181.5-94: Mineral fertilizers. Method for determination of mass fraction of amide nitrogen in compound fertilizers (spectrophotocolorimetric method)

GOST 30519-97: Food products. Method for detection of Salmonella

GOST 30567-98: Modified wood. Method for determination of toxicity

GOST 30823-2002: Fodders, compound feeds and feed additives. Determination of the elementary composition by means of atomic emission method.

GOST 30835-2003: Leather. Method of test for colour fastness to perspiration

GOST 31266-2004: Raw food and food products. Nuclear and absorbing method of the determination of arsenium

GOST 31651-2012: Medical remedies for animals, feed and feed additives. Detection of mass fraction of selenium by atom absorbtion spectrometric method

GOST 31659-2012: Food products. Methods for the detection of Salmonella spp

GOST 31750-2012: Macaroni products. Methods of identification

GOST 32010-2013: Food products. Method for detection of Shigella species bacteria

GOST 33333-2015: Food additives. Xanthan gum E415. Specifications

GOST 33445-2015: Medical remedies for veterinary use, feed and feed additives. Detection of mass fraction of cobalt by electrothermal atom absorption spectrometric method

GOST 34353-2017: Milk-clotting enzyme preparations of animal origin are dry. Technical conditions

GOST 34430-2018: Enzyme preparations for food industry. Method for the determination of proteolitic activity

GOST 40-80: Guanide F. Specifications

GOST 4204-77: Reagents. Sulphuric acid. Specifications

GOST 4217-77: Reagents. Potassium nitrate. Specifications

GOST 4288-76: Culinary products and half-finished products of minced meat. Rules of acceptance and test methods

GOST 4466-78: Reagents. Basic aqueous nickel (II) carbonate. Specifications

GOST 4517-87: Reagents. Methods for preparation of accessory reagents and solutions used for analysis

GOST 5152-77: Gland Packing. Specification

GOST 6674.3-96: Copper-phosphorus alloys. Method for the determination of antimony

GOST 6689.15-92: Nickel, nickel and copper-nickel alloys. Methods for the determination of antimony

GOST 6689.1-92: Nickel, nickel and copper-nickel alloys. Methods for the determination of copper

GOST 6689.7-92: Nickel, nickel and copper-nickel alloys. Methods for the determination of silicon

GOST 6689.8-92: Nickel, nickel and copper-nickel alloys. Methods for the determination of aluminium

GOST 741.16-80: Cobalt. Method for the determination of antimony

GOST 7702.2.0-2016: Products of poultry slaughter, semi-finished products from poultry meat and objects of the surrounding production environment. Sampling methods and preparing for microbiological examinations

GOST 7702.2.0-95: Poultry meat, edible, offal ready-to-cook products. Methods for sampling and preparing of microbiological examinations

GOST 9.508-89: Unified system of corrosion and ageing protection. Means of temporary rust protection of metals. Method of protective ability evaluation under the action of hand sweat

GOST 9816.2-84: Technical tellurium. Methods for determination of selenium

GOST 9958-81: Sausage products and meat products. Methods of bacteriological analysis

GOST R 50032-92: Meal from fish marine mammals, crustaceans and invertebrates. Methods for determination of mass components of carbamid and calculation of fresh protein taking into account mass components of carbamid

GOST R 50396.0-2013: Poultry meat, edible offal and semi-prepared products from poultry meat. Sampling methods and preparing for microbiological examinations

GOST R 50396.0-92: Poultry meat, edible offal, ready-to-cook products. Methods for sampling and preparing of microbiological examinations

GOST R 50429.4-92: Gallium. Method for determination of iron

GOST R 50480-93: Food products. Method for detection of Salmonella

GOST R 51766-2001: Raw material and food-stuffs. Atomic absorption method for determination of arsenic

GOST R 52688-2006: Enzyme milk-clotting of animal origin dry. Specifications

GOST R 52810-2007: Macaroni products. Methods of identification

GOST R 52814-2007: Food products. Method for the detection of Salmonella

GOST R 53351-2009: Medical remedies for veterinary use, feed and feed additives. Detection of mass fraction of selenium by atom absorption spectrometric method

GOST R 53761-2009: Milk. Тhe identification of protein composition by use the electrophoresis in polyakrilamide gel

GOST R 53906-2010: Toys. General safety requirements and methods of tests. Mechanical and physical properties

GOST R 53974-2010: Enzyme preparations. Methods for determination of proteolysis activity

GOST R 54085-2010: Food products. Method for detection of Shigella species bacteria

GOST R 54653-2011: Organic fertilizers. Methods of microbiological analysis

GOST R 55685-2013: Blister copper. Methods of analysis

GOST R 56145-2014: Functional foods. Methods for microbiological analysis

GOST R 57200-2016: Vitamin B2 feed. Specifications

GOST R 57201-2016: Vitamin B12 feed. Specifications

GOST R 57221-2016: Nutrient yeast. Test methods

GOST R 57650-2017: Microbiological products. Cormobacterinum. Specifications

GOST R 57655-2017: Dusts of non-ferrous metallurgy enterprises. Methods of antimony mass content measuring

GOST R 58820-2020: Phosphogypsum for agriculture. Specifications

MI PrV-2016/1: Industrial emissions of pollutants into the atmosphere. Method for measuring the mass concentration of aluminum oxide in gases organized by IZA

MP 209-07-2015: Analyzers biochemical automatic veterinary Catalyst * Dx and Catalyst One. Verification Method

MP 209-07-2015: Analyzers biochemical automatic veterinary Catalyst * Dx and Catalyst One. Verification Method

MP 242-1407-2012: Biochemical analyzers ERBA XL of the ERBA XL-100, ERBA XL-200, ERBA XL-640, ERBA XL-1000 models. Verification Method

MP 242-1407-2012: Biochemical analyzers ERBA XL of the ERBA XL-100, ERBA XL-200, ERBA XL-640, ERBA XL-1000 models. Verification Method

MP 242-1414-2012: Biochemical analyzers DIRUI CS models CS-T240, CS-240, CS-300B, CS-400, CS-600B, CS-800. Verification Method

MR 3.1.2.0072-13: Diagnosis of pertussis and parakoklyusha

MU 1112-73: Guidelines for the determination of BMK and benlate by BMK in plant objects, wine, soil and water by thin layer chromatography

MU 1439-88: Guidelines for measuring the concentration of sonalen in the air of the working zone by gas chromatographic method

MU 1880-78: Guidelines for the determination of bazagran in water by gas-liquid chromatography

MU 1917-78: Guidelines for the determination of terbacil in vegetable products, wine, grape juice, soil, water by chromatographic methods

MU 1918-78: Guidelines for the determination of ethephon (camposan M) and its derivatives (hydrel and dihydrel) in apples, cucumbers, tomatoes, cotton seeds and cotton oil by gas-liquid chromatography

MU 1921-78: Guidelines for the determination of polyhedra of nuclear polyhedrosis virus of an unpaired silkworm in water, soil, on plant objects and in the air by the immunofluorescence method

MU 2128-80: Guidelines for the determination of residual quantities of the biological product Virin-EX on plant objects by the immunofluorescence method

MU 2351-81: Guidelines for the determination of bacitracin in the air of the working area using paper chromatography

MU 2352-81: Guidelines for the determination of granules of the virus of codling moth granulosis on plant objects by the immunofluorescence method

MU 2353-81: Guidelines for the determination of beta-exotoxin in bitoxibacillin preparations

MU 2363-81: Guidelines for the joint determination of prometrin, terbacil and treflan in a single sample of soil, essential oil and essential oil raw peppermint by gas chromatography

MU 2366-81: Guidelines for the determination of fademorph in cherry, cucumber, currant, apple, water by chromatographic methods

MU 2367-81: Guidelines for the determination of diquat in sunflower seeds by thin layer chromatography

MU 2421-81: Guidelines for measuring concentrations of bentazone in the air of the working area using thin layer chromatography

MU 2423-81: Guidelines for the determination of triforin in plant products (apples, cucumbers), soil, water by thin layer chromatography

MU 2427-81: Guidelines for the determination of lontrell in water, soil and plants by gas-liquid chromatography

MU 25.1-001-86: Resistance of medical devices to aggressive biological fluids. Test methods

MU 2591-82: Guidelines for the photometric measurement of the concentration of nitroform in the air of the working area

MU 2737-83: Guidelines for the photometric determination of phosphine oxide of heterradical C5 - C9 and triisoamylphosphine oxide in the air

MU 2766-83: Guidelines for photometric measurement of concentrations of antimony trifluoride and trichloride in the air of the working area

MU 2780-83: Guidelines for the measurement of tomilon concentrations in the air of the working area by chromatographic methods

MU 2798-83: Guidelines for the determination of residual quantities of the biological product Virin-KSh on plant objects by the immunofluorescence method

MU 2799-83: Guidelines for the determination of residual quantities of the drug Virin-Diprion on plant objects by the immunofluorescence method

MU 2809-83: Guidelines for the measurement of mitak concentrations in the air of the working area by chromatographic methods

MU 2845-83: Guidelines for the measurement of hostaquik concentrations in the air of the working area by thin layer chromatography

MU 2847-83: Guidelines for the measurement of butylcaptax concentrations in the air of the working zone by chromatographic methods

MU 2850-83: Guidelines for measuring ofunac concentrations in the air of the working area by thin layer chromatography

MU 2852-83: Guidelines for measuring the concentration of trimorphamide in the air of the working zone by chromatographic methods

MU 2853-83: Guidelines for measuring the concentration of bioresmetrin in the air of the working area by thin layer chromatography

MU 2855-83: Guidelines for the photometric determination of DYAK in the air of the working area

MU 2856-83: Guidelines for chromatographic and chromatospectrophotometric measurement of the concentrations of benomyl and BMK in the air of the working area

MU 2857-83: Guidelines for measuring the concentration of actellic and primicide in the air of the working area by thin layer chromatography

MU 2857-83: Guidelines for measuring the concentration of actellic and primicide in the air of the working area by thin layer chromatography

MU 2858-83: Guidelines for measuring the concentration of synthetic pyrethroids (ambush, decis, ripcord, sumicidin) in the air of the working zone by chromatographic methods

MU 2859-83: Guidelines for measuring the concentration of the bronocot in the air of the working area by the photometric method

MU 2860-83: Guidelines for measuring the concentrations of diazinone, eptam, gamma-isomer of HCH, phenmedifam, lenacyl, phosphamide and pyrazone with their joint presence in the air of the working zone by chromatographic methods

MU 2863-83: Guidelines for measuring the concentration of rovral in the air of the working area by thin layer chromatography

MU 2867-83: Guidelines for measuring the concentration of zoocoumarin in the air of the working area by thin layer chromatography

MU 2869-83: Guidelines for measuring the concentrations of metazine, sulfazine and the components of the herbicidal mixture of caragard in the air of the working zone by gas chromatographic method

MU 2870-83: Guidelines for the measurement of concentrations of carbofuran in the air of the working area by thin layer chromatography

MU 2871-83: Guidelines for measuring the concentration of crowneton in the air of the working area by thin layer chromatography

MU 2874-83: Guidelines for the application of diagnostic nutrient flow rates for bacteriological studies

MU 2894-83: Guidelines for photometric measurement of the concentration of rosin in the air of the working area

MU 2990-84: Methodological guidelines for the definition of piclorama in water, soil, grain and plant material by gas chromatography

MU 3006-84: Guidelines for the measurement of dropp concentrations in the air of the working area by gas chromatographic method

MU 3024-84: Guidelines for a unified method of immunofluorescent detection of baculoviruses in the air of the working area

MU 3064-84: Guidelines for the determination of vitavax in grain and water by thin layer chromatography

MU 3152-84: Guidelines for the measurement of concentrations of illoxane in the air of the working zone by gas chromatographic method

MU 3154-84: Guidelines for measuring the concentration of anometrine-N in the air of the working zone by chromatographic methods

MU 315-84: Guidelines for measuring the concentrations of 2, -4 dichlorophenoxypropionic acid in the air of the working zone by gas chromatographic method

MU 3158-84: Guidelines for measuring the concentration of resting spores of entomofluoric fungi (mycoafidin, entomoftorin) by light microscopy in the air of a working area

MU 3189-85: Guidelines for measuring the concentrations of thiodane and its metabolite of thiodanesulfate in the air of the working zone by gas chromatographic method

MU 3192-85: Guidelines for measuring the concentration of thiocarbamic pesticides in the air of the working zone by thin layer chromatography

MU 3195-85: Guidelines for measuring the concentrations of reldan and the product of its hydrolysis of 3,5,6-trichloro-2-pyridinol in the air of the working zone by chromatographic methods

MU 3197-85: Guidelines for measuring concentrations of terbacil in the air of the working area by chromatographic methods

MU 3199-85: Guidelines for measuring the concentrations of 2M-4X, 2M-4XP and 2M-4XM in the air of the working zone using the gas chromatographic method

MU 3253-85: Temporary guidelines for the determination of tapegran in corn, soil and water by thin layer chromatography

MU 3882-85: Guidelines for measuring the concentration of dactal in the air of the working area by gas chromatographic method

MU 3969-84: Guidelines for the measurement of selectron concentrations in the air of the working area by gas chromatographic method

MU 4017-85: Guidelines for measuring the concentrations of dosanex, 3-chloro-4-methoxyaniline, 3-chloro-4-methoxynitrobenzene in the air of the working zone by chromatographic method

MU 4019-85: Methodical instructions for the chromatographic measurement of the concentration of fosalone and semi-products of its production of benzoxazolone and 3-hydroxymethyl-6-chlorobenzoxazolone in the air of the working area

MU 4122-86: Guidelines for the measurement of 2,4-D concentrations in the air of the working zone by gas chromatographic method

MU 4305-87: Guidelines for the photometric measurement of concentrations of 3-nitro-4-chloraniline in the air of the working area

MU 4329-87: Guidelines for the determination of Resin in water, roots and beet tops by thin layer chromatography

MU 4345-87: Guidelines for the determination of bazagran in fish by thin layer chromatography

MU 4348-87: Methodological Guidelines for Determining Bazagran in Essential Oils by Gas-Liquid Chromatography

MU 4354-87: Methodical guidelines for determining strani 200 in water, soil, grain by thin layer chromatography

MU 4357-87: Guidelines for measuring the concentrations of baytan, bayleton, impact in the air of the working area by thin layer chromatography

MU 4360-87: Guidelines for the determination of nitrapirin and its metabolite 6-chloricolinic acid in water, soil and biological material by thin layer chromatography

MU 4362-87: Guidelines for the systematic analysis of biological media on the content of pesticides of various chemical nature

MU 4370-87: Guidelines for measuring the concentration of staran in the air of the working area by thin layer chromatography

MU 4372-87: Guidelines for measuring the concentration of a racer in the air of a working zone by thin layer chromatography

MU 4373-87: Guidelines for measuring the concentration of nabu in the air of the working area by thin layer chromatography

MU 4376-87: Guidelines for measuring the concentrations of foxime in the air of the working zone by gas chromatographic method

MU 4379-87: Guidelines for measuring the concentrations of glyphosate, glyphosine and glycine in the air of the working area by thin layer chromatography

MU 4459-87: Guidelines for the photometric measurement of the concentrations of sulfazin, silver sulfadiazine, urosulfan in the air of the working area

MU 4517-87: Guidelines for photometric measurement of sulfalene concentrations in the air of the working area

MU 4633-88: Guidelines for measuring the concentration of camposan in the air of the working zone by gas chromatographic method

MU 4635-88: Guidelines for measuring the concentration of torc in the air of the working area by thin layer chromatography

MU 4637-88: Guidelines for measuring peak concentrations in the air of the working area by the extraction-photometric method

MU 4638-88: Guidelines for measuring the concentration of eisect in the air of the working area by gas chromatographic method

MU 4643-88: Guidelines for the measurement of toluene concentrations in the air of the working zone by gas chromatographic method

MU 4674-88: Guidelines for measuring neon concentrations in the air of a working zone by chromatographic methods

MU 4679-88: Guidelines for measuring stomp concentrations in the air of a working area using liquid chromatography

MU 4708-88: Methodical instructions for determining the definition of a pix in water and cottonseed by an extraction-photometric method

MU 4743-88: Guidelines for the photometric measurement of urea (urea) concentrations in the air of the working area

MU 4862-88: Guidelines for the photometric measurement of concentrations of carbon monoxide (II) in the air of the working area

MU 4892-88: Guidelines for photometric measurement of concentrations of etazol in the air of the working area

MU 4964-89: Guidelines for measuring concentrations of ridomil in the air of the working area by gas-liquid chromatography

MU 4965-89: Guidelines for measuring the concentration of sumi-alpha in the air of the working area by chromatographic methods

MU 4967-89: Guidelines for measuring the concentration of a blazer (aciflurofen) in the air of the working area by thin layer chromatography

MU 4970-89: Guidelines for chromatographic measurement of the concentrations of new synthetic pyrethroids (danitol, fastak, tsibolt, karate) in the air of the working area

MU 4971-89: Guidelines for measuring the concentration of triamelon in the air of the working area

MU 4972-89: Guidelines for measuring the concentration of prodiamine in the air of the working zone by thin layer chromatography

MU 4974-89: Guidelines for measuring the concentrations of nisoran in the air of the working area by thin layer chromatography

MU 4975-89: Guidelines for measuring the concentration of isophene and dinoseb in the air of the working area by thin layer chromatography

MU 4976-89: Guidelines for the chromatographic measurement of orthen concentrations in the air of the working area

MU 4977-89: Guidelines for measuring the concentration of triallate in the air of the working zone by gas-liquid chromatography

MU 4979-89: Guidelines for the chromatographic measurement of cimide concentrations in the air of the working area

MU 4980-89: Guidelines for measuring clay concentrations in the air of the working zone by gas-liquid and thin-layer chromatography

MU 4981-89: Guidelines for measuring the concentrations of stearic acid versamide (VSA) in the air of the working area by thin layer chromatography

MU 4983-89: Guidelines for the measurement of butrazine concentrations in the air of a working zone by gas-liquid chromatography methods

MU 4984-89: Guidelines for measuring the concentration of zollen in the air of the working area by thin layer chromatography

MU 4985-89: Guidelines for measuring the concentrations of GMF, TMDI, GMDI, CGI, ATG, ATG-F in the air of the working area by thin layer chromatography

MU 4986-89: Guidelines for measuring the concentration of pachton in the air of the working area by thin layer chromatography

MU 4988-89: Guidelines for measuring the concentration of morphonol in the air of the working area by thin layer chromatography

MU 4989-89: Guidelines for measuring the concentration of ethyl acetoacetic acid in the air of the working area by thin layer chromatography

MU 4990-89: Guidelines for measuring the concentrations of trifumin and its metabolites in the air of the working zone by thin layer chromatography

MU 4991-89: Guidelines for measuring the concentration of lasso in the air of the working zone by chromatographic method

MU 4992-89: Guidelines for measuring the concentrations of sym-triazines (ametrine, mesoranyl, semeron, hezaran, Zencor, igran) in the air of the working zone by thin-layer and gas-liquid chromatography

MU 4993-89: Guidelines for measuring the concentration of dimethyl phosphite in the air of the working zone by thin layer chromatography

MU 4994-89: Methodological guidelines for determining in one sample organophosphorus and organochlorine pesticides used on tomatoes by chromatographic methods

MU 5003-89: Guidelines for the determination of applaud in plant material (tomatoes, cucumbers, fruits and green mass), soil, water by gas-liquid chromatography

MU 5005-89: Guidelines for the determination of Apollo in water, soil, fruit crops by thin-layer and gas-liquid chromatography

MU 5021-89: Guidelines for the determination of a mixture of carbofuran with benomyl and TMTD (combi preparation) in sugar beet plants by thin layer chromatography

MU 5024-89: Guidelines for the determination of diquat in fish and water by thin layer chromatography

MU 5036-89: Guidelines for the determination of a mixture of metaphos, bayleton and tilt in wheat plants by thin layer chromatography

MU 5037-89: Guidelines for the determination of corbel in water, soil and wheat plants by thin layer chromatography

MU 5044-89: Guidelines for the determination of TMTD and its transformation products in water, grain crops and plant material by thin layer chromatography

MU 5045-89: Guidelines for measuring the concentration of glyphosine tetramethyl ether in the air of the working area by thin layer chromatography

MU 5047-89: Guidelines for the measurement of dextramine concentrations in the air of the working area by thin layer chromatography

MU 6094-91: Methodological guidelines for gas chromatographic determination of residual amounts of ethanol in canteen and sugar beet, green mass of plants and soil

MU 6120-91: Methodological guidelines for measuring ephal concentrations in workplace air by photometric and gas chromatographic methods

MU 6163-91: Guidelines for gas chromatographic measurement of the concentration of ethamone in the air of the working area

MU 6266-91: Guidelines for measuring the concentration of a mixture of phosphites (intermediate products of the synthesis of the drug Efal-M) in the air of the working zone by the photometric method

MUK 4.1.101-96: Procedural Guidelines for Photometric Measurement of Concentrations of Anthroic Acid (o-Anthranilic Acid) in Workplace Air

MUK 4.1.1155-02: Measurement of acifluorfen concentrations in the air of the working area using chromatographic methods

MUK 4.1.1218-03: Determination of residues of isoxafluotol and its metabolite RPA-202248 in water; isoxaflutol (in the form of RPA-202248) in the soil, grain and green mass of corn by high performance liquid chromatography, and also isoxaflutol in water by gas-liquid chro

MUK 4.1.1393-03: Determination of residual quantities of mesotrione in water, soil, green mass and corn grain by gas-liquid chromatography

MUK 4.1.1411-03: Determination of residual quantities of imazapir in wild-growing mushrooms and berries by high-performance liquid and gas-liquid chromatography

MUK 4.1.2049-06: Methodological guidelines for the measurement of glyphosate concentrations in the atmospheric air of populated areas by gas-liquid chromatography

MUK 4.1.2073-06: Methodological guidelines for measuring the concentrations of dicamba in the atmospheric air of populated areas using gas-liquid chromatography

MUK 4.1.2078-06: Guidelines for the determination of residual amounts of quinclorac in rice grain by capillary gas-liquid chromatography

MUK 4.1.2085-06: Guidelines for measuring concentrations of trinexapac-ethyl in the air of the working area by high performance liquid chromatography

MUK 4.1.2293-07: Determination of residues of clopyralid in corn oil by capillary gas-liquid chromatography

MUK 4.1.2348-08: Measurement of phosphate concentrations of ether in the air of the working area and washes from the skin of operators using capillary gas-liquid chromatography

MUK 4.1.2666-10: Determination of residual amounts of MCPA in water and soil by capillary gas-liquid chromatography

MUK 4.1.2852-11: Determination of residues of quinmerack in water, soil, seeds and rapeseed by gas-liquid chromatography

MUK 4.1.2853-11: Determination of residual quantities of mesotrione in corn oil by capillary gas-liquid chromatography

MUK 4.1.2933-11: Determination of residual amounts of bispiribaka acid in water, soil, rice grains and straw chromatographic methods

MUK 4.1.2999-12: Measurement of piclorama concentrations in the atmospheric air of populated areas using capillary gas-liquid chromatography

MUK 4.1.3085-13: Measurement of the concentrations of herbicides of various classes with the joint presence in the air and water of water bodies by chromatographic methods

MUK 4.1.3088-13: Measurement of acifluorfen concentrations in the atmospheric air of populated areas using capillary gas-liquid chromatography

MUK 4.1.3119-13: Measurement of aminopyrolide concentrations in the atmospheric air of populated areas using capillary gas-liquid chromatography

MUK 4.1.3122-13: Determination of residual amounts of chlorothalonil and its metabolite 4-hydroxy-2, 5, 6-trichloroisophthalonitrile (SDS-3701) in celery (root) by capillary gas-liquid chromatography

MUK 4.1.3440-17: Determination of residual amounts of 2,4-D acid in milk, eggs and offal of mammals by chromatographic methods

MUK 4.1.3455-17: Determination of residual amounts of dicamba in soybean seeds and oil by capillary gas-liquid chromatography

MUK 4.1.3560-19: Determination of residual amounts of aluminum phosphate in cabbage and watermelon fruits by capillary gas-liquid chromatography

MUK 4.1.635-96: Guidelines for the gas chromatographic determination of terephthalic acid in atmospheric air

MUK 4.1.945-99: Guidelines for gas chromatographic measurement of the concentration of ethamone in the air of the working area

MUK 4.2.577-96: Methods of microbiological control of products for children, clinical nutrition and their components

PND F 14.1:2:3:4.155-99: Quantitative chemical analysis of water. Method for determination of urea in drinking, natural and waste waters by photometric method

PND F 16.1:2.2:3.15-98: Quantitative chemical analysis of soil. Methods for measuring the mass fraction (total content) of selenium in solid bulk materials by extraction-photometric method with orthophenylenediamine

RD 52.24.364-2007: Mass concentration of total nitrogen in waters. The method of measurement using the photometric method after oxidation with potassium persulfate

RD 52.24.364-95: Guidelines. Methods for measuring the mass concentration of total nitrogen in waters by the photometric method after oxidation with potassium persulfate

RD 52.24.481-2007: Mass concentration of total nitrogen in waters. Methods of measurement by UV spectrophotometric method after oxidation with potassium persulfate

RD 52.24.532-2016: Mass concentration of total nitrogen in water. Measurement procedure by spectrophotometric method with sample digestion in thermal reactor

RD RTM 26-362-80: Accelerated and marking methods for chemical and spectral analysis of basic and welding materials in chemical and petroleum engineering. Methods of chemical analysis of iron and steel

RDM 929-18-93: Certificate for the measurement of the mass fraction of vanadium in carbon, alloyed and high-alloyed steel in the control of raw materials and finished products

Sanitary rules: Sanitary rules for the production and quality assessment of paper and paperboard produced using waste paper and intended for packaging dry food

Sanitary rules: Sanitary rules for the use of food additives

Sanitary rules: Sanitary rules for the design and maintenance of places for physical culture and sports

SanPiN 42-123-4423-87: Regulations and methods for microbiological control of baby food made in dairy kitchens of the health care system

SanPiN 42-123-4940-88: Microbiological Standards and Methods for Analysis of Children's, Medical and Diet Foods and Their Components

SN 10-12446-99: Collection of standards for distilleries and distilleries

SP 1.2.731-99: Safety work with microorganisms of III - IV groups pathogenicity and helminths

STB 1049-97: Light industry products. Safety requirements and control methods

TsV 3.04.53-2004: Methods for measuring the mass concentration of total phosphorus and phosphorus phosphates in drinking, natural and waste water samples by the photometric method

VMU 2427-81: Temporary guidelines for determining lontrel in water, soil and plants by gas-liquid chromatography

VMU 3881-85: Temporary guidelines for photometric and chromatographic measurements of the concentration of mikal in the air of the working area

VMU 4016-85: Temporary methodological guidelines for the chromatographic and gas chromatographic measurement of lontrel concentration in the air of the working area

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