GOST 4919.2-77

ГОСТ 4919.2-77

Reagents and matters of special purity. Methods for preparation of buffer solutions

Реактивы и особо чистые вещества. Методы приготовления буферных растворов

Status: Not effective - Superseded. Registration information 1689-st dated November 15, 2016 (the official website of Rosstandart); IUS 6-2017

The standard applies to reagents and highly pure substances, establishes methods for preparing working buffer solutions used to create an environment with a specific pH value, colorimetric determination of the pH range of the color transition of acid-base indicators, as well as for carrying out certain reactions.

Стандарт распространяется на реактивы и особо чистые вещества, устанавливает методы приготовления рабочих буферных растворов, применяемых для создания среды с определенным значением рН, ��олориметрического определения интервала рН перехода окраски кислотно-основных индикаторов, а также для проведения некоторых реакций.

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Format: Electronic (pdf/doc)
Page Count: 16

Approved: State Committee of Standards of the Council of Ministers of the USSR, 2/28/1977

SKU: RUSS66041

Price: $159.03

English keywords: chemical reagents;



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 » L59 Test methods. Packaging. Marking »

National Standards for OKSTU » CHEMICAL REAGENTS AND HIGH PURITY SUBSTANCES » General rules and regulations »

National Standards for OKSTU » CHEMICAL REAGENTS AND HIGH PURITY SUBSTANCES » Chemical reagents for analytical and general laboratory purposes »


The Document is Replaced With:

GOST 4919.2-2016: Reagents and matters of special purity. Methods for preparation of buffer solutions

The Document References:

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

GOST 199-78: Reagents. Sodium acetate 3-aqueous. Specifications

GOST 27025-86: Reagents. General test requirements

GOST 29251-91: Laboratory glassware. Burettes. Part 1. General requirements

GOST 29252-91: Laboratory glassware. Burettes. Part 2. Burettes for which no waiting time is specified

GOST 29253-91: Laboratory glassware. Burettes. Part 3. Burettes for which a waiting time of 30 s is specified

GOST 3118-77: Reagents. Hydrochloric acid. Specifications

GOST 3652-69: Reagents. Citric acid monohydrate and anhydrous. Specifications

GOST 4172-76: Reagents. Disodium hydrogen phosphate dodecahydrate. Specification

GOST 4198-75: Reagents. Potassium dihydrogen phosphate. Specifications

GOST 4199-76: Reagents. 10-aqueous sodium tetraborate. Specifications

GOST 4233-77: Reagents. Sodium chloride. Specifications

GOST 4234-77: Reagents. Potassium chloride. Specifications

GOST 4328-77: Reagents. Sodium hydroxide. Specifications

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

GOST 5860-75: Reagents. Aminoacetic acid. Specifications

GOST 61-75: Reagents. Acetic acid. Specifications

GOST 6341-75: Reagents. Succinic acid. Specifications

GOST 8.134-98: State system for ensuring the uniformity of measurements. pH Scale for aqueous solutions

GOST 8.135-2004: State system for ensuring the uniformity of measurements. Weight amounts of the standard materials for preparation of the buffer solutions - operational pH standards of 2-nd and 3-rd classes. The technical and the metrological characteristics. Methods of them determination

GOST 83-79: Reagents. Sodium carbonate. Specifications

The Document is Referenced By:

FR 1.31.2005.01755: Quantitative chemical analysis of soils. Method for measuring the mass concentration of methyl chloride, vinyl chloride, vinylidene chloride, methylene chloride, chloroform, carbon tetrachloride, 1,2-dichloroethane, benzene, trichlorethylene, 1.1.2-trichloroethane, toluene, ortho-xylene, the total content of meta- and para-xylene in solid and liquid wastes of production and consumption, sediments, sludge, activated sludge, bottom sediments by gas chromatographic method

FR 1.31.2005.01759: Quantitative chemical analysis of soils. The methodology for measuring the chloride content in solid and liquid wastes of production and consumption, sediments, sludge, activated sludge, bottom sediments by the mercury method

FR 1.31.2005.01760: Quantitative chemical analysis of soils. Methodology for measuring the mass fraction of ash in solid and liquid wastes of production and consumption, sediments, sludge, activated sludge, bottom sediments by gravimetric method

FR 1.31.2005.01761: Quantitative chemical analysis of soils. Measurement procedure for ammonium nitrogen in solid and liquid production and consumption wastes, sediments, sludge, activated sludge, bottom sediments by the photometric method

FR 1.31.2005.01763: Quantitative chemical analysis of soils. Methodology for measuring the content of dry and calcined residue in solid and liquid wastes of production and consumption, sediments, sludge, activated sludge, bottom sediments by gravimetric method

FR 1.31.2005.01764: Quantitative chemical analysis of soils. The measurement procedure for the value of the hydrogen index (pH) of solid and liquid wastes of production and consumption, sediments, sludge, activated sludge, bottom sediments by the potentiometric method

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GOST 30181.2-94: Mineral fertilizers. Method for determination of total mass fraction of nitrogen in single - component fertilizers (in ammonium and amide forms, no deammoniation)

GOST 30181.6-94: Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)

GOST 30181.9-94: Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)

GOST 30561-2017: Beet molasses. Technical conditions

GOST 30627.1-98: Infant milk products. Method for determination of mass part of vitamin A (Retinoli)

GOST 30627.2-98: Infant milk products. Methods for determination of mass part of vitamin C (Acidum ascorbinium)

GOST 30627.3-98: Infant milk products. Method for determination of mass part of vitamin E (Tocopheroli)

GOST 30627.4-98: Infant milk products. Method for determination of mass part of vitamin PP (Nicotinamidum)

GOST 30627.5-98: Infant milk products. Method for determination of mass part of vitamin B1 (thiamini)

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GOST 9.402-80: Metal surface preparation for painting

GOST 908-2004: Citric acid monohydrate for use in foodstuffs. Specifications

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GOST 9536-2013: Technical isobutyl alcohol. Specifications

GOST 9536-79: Isobutyl alcohol. Specifications

GOST 9816.0-2014: Tellurium technical. General requirements for methods of analysis

GOST R 51456-99: Butter. Potentiometric method for determination of pH of the serum

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

GOST R 52824-2007: Food additives. Sodium and potassium triphosphates E451. Specifications

GOST R 52963-2008: Water. Methods for determination of alkalinity, and mass concentration of carbonates and hydrocarbonates

GOST R 53198-2008: Ores and concentrates of non-ferrous metals. General requirements for methods of chemical analysis

GOST R 55579-2013: Food additives. Azo colours. Specifications

GOST R 8.600-2003: State system for ensuring the uniformity of measurements. Procedures of measurement of mass fraction of the parent substance of reagents and super pure substances by titrimetric methods. General requirements

GOST R 8.816-2013: State system for ensuring the uniformity of measurements. Natural gas. Volumetric heat (energy) of combustion. Method for measurement using the bomb calorimeter

GOST R ISO 15713-2009: Stationary source emissions. Sampling and determination of gaseous fluoride content

MU 08-47/215: Grape, fruit wines and wine materials. Method for measuring mass concentration of citric acid by potentiometric titration

MUK 4.1.1575-03: Guidelines for the spectrophotometric measurement of amylase concentration in the air of the working area

MUK 4.1.1609-03: Guidelines for the spectrophotometric measurement of the concentration of cellulase in the air of the working area

MUK 4.1.1678-03: Spectrophotometric measurement of mass concentrations of 3'-azido-3'-deoxythymidine (azitothymidine) in the air of the working area

MUK 4.1.1753-03: Photometric measurements of the mass concentrations of celloviridine in the air of the working area

OST 113-03-4001-90: Nickel-chromium catalysts.

OST 34-70-953.21-91: Water of industrial thermal electric power stations. Method for determination of free carbonic acid.

OST 34-70-953.24-92: Water of industrial thermal electric power stations. Method for determination of acidity.

PND F 14.1:2.242-07: Quantitative chemical analysis of water. Methods for measuring free and total alkalinity in natural and waste waters using potentiometric titration

PND F 14.1:2:3:4.121-97: Quantitative chemical analysis of water. Methods for pH measurement in waters by potentiometric method

PND F 14.1:2:3:4.242-2007: Quantitative chemical analysis of water. Measurement of free and total alkalinity in drinking, surface, groundwater and wastewater by potentiometric titration

PND F 16.2.2:2.3:3.27-02: Quantitative chemical analysis of soil. Methods for measuring moisture content in solid and liquid wastes of production and consumption, sediments, sludge, activated sludge, bottom sediments by the gravimetric method

PND F 16.2.2:2.3:3.31-02: Methods for measuring alkalinity in solid and liquid wastes of production and consumption, sediments, sludge, activated sludge, bottom sediments by potentiometric titration

RD 34.37.523.11-90: Process Waters Thermal Power Stations. Methods for the Determination of Aluminum: In the Book. Process Waters of Thermal Power Stations. Methods for the Determination of Aluminum and Ammoniacal Nitrogen

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