GOST 33045-2014

ГОСТ 33045-2014

Water. Methods for determination of nitrogen-containing matters

Вода. Методы определения азотсодержащих веществ

Status: Effective - Supersedes. IUS 12-2015

This standard applies to drinking (including packaged in a tank), natural (surface and groundwater) and wastewater and establishes the following methods for determining the content of mineral nitrogen-containing substances: concentration from 0.1 to 3.0 mg

Настоящий стандарт распространяется на питьевую (в том числе расфасованную в емкости), природную (поверхностную и подземную) и сточную воду и устанавливает следующие методы определения содержания минеральных азотсодержащих веществ: - фотометрический метод определения содержания аммиака и ионов аммония (суммарно) с реактивом Несслера при массовой концентрации от 0,1 до 3,0 мг/дм3 без разбавления пробы. При необходимости определения более высоких концентраций пробу разбавляют, но не более чем в 100 раз (метод А); - фотометрический метод определения содержания нитритов с использованием сульфаниловой кислоты при массовой концентрации от 0,003 до 0,3 мг/дм3 без разбавления пробы. При необходимости определения более высоких концентраций пробу разбавляют, но не более чем в 100 раз (метод Б); - фотометрический метод определения азота нитритов с использованием 4-аминобензолсульфонамида при массовой концентрации от 0,25 до 10,0 мг/дм3 (метод В); - фотометрический метод определения содержания азота нитратов с использованием фенолдисульфоновой кислоты при массовой концентрации от 0,1 до 6,0 мг/дм3 (метод Г); - фотометрический метод определения содержания нитратов с использованием салициловокислого натрия при массовой концентрации от 0,1 до 2,0 мг/дм3 без разбавления пробы. При необходимости определения более высоких концентраций пробу разбавляют, но не более чем в 100 раз (метод Д)

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Format: Electronic (pdf/doc)
Page Count: 24

Approved: Federal Agency for Technical Regulation and Metrology, 11/11/2014

SKU: RUSS138901

Price: $322.04




The Product is Contained in the Following Classifiers:

Evidence base (TR CU, Technical Regulation of the Customs Union) » 023/2011 TR CU. Technical regulations for fruit and vegetable juice products » Regulations and standards (to TR CU 023/2011) »

Evidence base (TR CU, Technical Regulation of the Customs Union) » 044/2017 TR EAEU. On safety of packaged drinking water, including natural mineral water » Regulations and standards (to 044/2017 TR EAEC) »

PromExpert » SECTION V. ENVIRONMENTAL PROTECTION. NATURE USE » II Ensuring environmental safety » 2 Protection and protection of surface water bodies » 2.2 Rationing impact on water bodies » 2.2.1 Rationing of quality of water bodies » 2.2.1.1 General requirements for composition and properties of surface waters »

PromExpert » SECTION V. ENVIRONMENTAL PROTECTION. NATURE USE » II Ensuring environmental safety » 2 Protection and protection of surface water bodies » 2.1 Management in use and protection of water bodies » 2.1.2 Production and public control infield of use and protection of water bodies »

ISO classifier » 13 ENVIRONMENTAL PROTECTION, HUMAN PROTECTION AGAINST ENVIRONMENTAL IMPACT. SECURITY » 13.060 Water quality » 13.060.50 Examination of water to determine content of chemicals »

National standards » 13 ENVIRONMENTAL PROTECTION, HUMAN PROTECTION AGAINST ENVIRONMENTAL IMPACT. SECURITY » 13.060 Water quality » 13.060.50 Examination of water to determine content of chemicals »


As a Replacement Of:

GOST 18826-73: Drinking water. Methods for determination of nitrates content

GOST 4192-82: Drinking water. Methods for determination of mineral nitrogen-containing matters

The Document References:

GOST 12026-76: Filter paper for laboratory application

GOST 1277-75: Reagents. Silver nitrate. Specifications

GOST 17.1.5.05-85: Nature protection Hydrosphere General requirements for surface and sea waters, ice and atmospheric precipitation sampling

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

GOST 18190-72: Drinking water. Methods for determination of chlorine residual content

GOST 20015-88: Chloroform. Specifications

GOST 20298-74: Ion-exchange resins. Cation exchangers. Specifications

GOST 24147-80: Super pure ammonia aqueous solution. Specifications

GOST 2493-75: Reagents. Potassium phosphate, dibasic 3-aqueous. Specifications

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

GOST 27068-86: Reagents. Sodium thiosulphate 5-aqueous. Specifications

GOST 28311-89: General purpose equipment designed for determination of key parameters of vibration processes

GOST 29227-91: Laboratory glassware. Graduated pipettes. Part 1. General requirements

GOST 31861-2012: Water. General requirements for sampling

GOST 31862-2012: Drinking water. Sampling

GOST 31868-2012: Water. Methods for determination of colour

GOST 32220-2013: Drinking bottled water. General specifications

GOST 3760-79: Reagents. Ammonia water. Specifications.

GOST 3773-72: Reagents. Ammonium chloride. Specifications

GOST 4197-74: Reagents. Sodium nitrite. Specifications

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

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

GOST 4204-77: Reagents. Sulphuric acid. Specifications

GOST 4217-77: Reagents. Potassium nitrate. Specifications

GOST 4238-77: Reagents. Aluminium ammonium sulphate. Specifications

GOST 4328-77: Reagents. Sodium hydroxide. Specifications

GOST 4329-77: Reagents. Aluminium potassium sulphate. Specifications

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

GOST 4525-77: Reagents. Cobalt chloride hexahydrate. Specifications

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

GOST 61-75: Reagents. Acetic acid. Specifications

GOST 6552-80: Reagents. Orthophosphoric acid. Specifications

GOST 6709-72: Distilled water. Specifications

GOST 83-79: Reagents. Sodium carbonate. Specifications

GOST 9147-80: Laboratory porcelain ware and apparatus. Specifications

GOST ISO/IEC 17025-2009: General requirements for the competence of testing and calibration laboratories

GOST OIML R 76-1-2011: State system for ensuring the uniformity of measurements. Non-automatic weighing instruments. Part 1. Metrological and technical requirements. Tests

GOST R 56237-2014: Drinking water. Sampling on watertreatment stations and in piped distribution systems

GOST R ISO 5725-6-2002: Accuracy (trueness and precision) of measurement methods and results. Part 6. Use in practice of accuracy values

MI 2881-2004: Recommendation. GSE. Methods of quantitative chemical analysis. Procedures for testing the acceptability of analysis

R 50.1.060-2006: Statistical methods. Guidance for the use of repeatability, reproducibility and trueness estimates in measurement uncertainty estimation

The Document is Referenced By:

GOST 33936-2016: Gas supply system. Trunk pipeline transportation of gas. Environment protection. Water protection. Water conditioning. Inspection

GOST R 57219-2016: Plastics. Determination of the ultimate aerobic biodegradability under controlled composting conditions. Method by analysis of evolved carbon dioxide. Part 2. Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test

GOST R 57224-2016: Рlastic materials. Determination of the ultimate aerobic biodegradability under controlled composting conditions. Method by using analysis of evolved carbon dioxide. Part 1. General method

GOST R 57226-2016: Plastics. Determination of the degree of disintegration under defined composting conditions in a pilot-scale test

GOST R 58144-2018: Distilled water. Specifications

GOST R 54316-2020: Mineral natural drinking water. General specifications

GOST R 58431-2019: Unified system of protection against corrosion and aging. Water for galvanic production and flushing schemes. General requirements

RMG 59-2019: State system for ensuring the uniformity of measurements. Verification of suitability for use in the laboratory of reagents with an expired shelf life by the method of intralaboratory control of measurement accuracy

SP 446.1325800.2019: Engineering and geological surveys for construction. General rules for the production of work

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