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GOST R 52708-2007

ГОСТ Р 52708-2007

Water. Method for determination of chemical oxygen demand

Вода. Метод определения химического потребления кислорода

Status: Not effective - Canceled. Registration information 1618-st dated 12.11.2012 (official site of Rosstandart)

This standard establishes a method for determining chemical oxygen consumption (COD) in water using photometry. The method applies to all types of water (drinking, natural, waste) in the range of COD values ​​from 10 to 800 mgO / dm c. The method can be used to analyze water samples with higher COD values, provided they are diluted, but not more than 100 times. Interfering factors during the determination include the presence of chlorides in the water sample with their content above 1000 mg / dm 3. and manganese (II) with its content of more than 50 mg / dm c. Disturbing factors eliminate dilution of water samples.

Настоящий стандарт устанавливает метод определения химического потребления кислорода (ХПК) в воде с использованием фотометрии. Метод распространяется на все типы воды (питьевые, природные, сточные) в диапазоне значений ХПК от 10 до 800 мгО/дм куб. Метод может быть использован для анализа проб воды с более высокими значениями ХПК при условии их разбавления, но не более чем в 100 раз. К мешающим факторам при проведении определения относят наличие в пробе воды хлоридов при их содержании свыше 1000 мг/дм куб. и марганца (II) при его содержании свыше 50 мг/дм куб. Мешающие факторы устраняют разбавлением пробы воды

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Format: Electronic (pdf/doc)

Approved: Federal Agency for Technical Regulation and Metrology, 1/30/2007

SKU: RUSS57514

Price: $201.00



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The Product is Contained in the Following Classifiers:

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 »

ISO classifier » 13 ENVIRONMENTAL PROTECTION, HUMAN PROTECTION AGAINST ENVIRONMENTAL IMPACT. SECURITY » 13.060 Water quality » 13.060.20 Drinking water »

National standards » 13 ENVIRONMENTAL PROTECTION, HUMAN PROTECTION AGAINST ENVIRONMENTAL IMPACT. SECURITY » 13.060 Water quality » 13.060.20 Drinking water »

National Standards for KGS (State Standards Classification) » Latest edition » N Food and taste products » N0 General rules and regulations for food industry » N09 Test methods. Packaging. Marking »


The Document References:

Federal Law 184-FZ: About technical regulation

GOST 12026-76: Filter paper for laboratory application

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 24104-2001: Laboratory scales. General technical requirements

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

GOST 27065-86: Water quality. Terms and definitions

GOST 29169-91: Laboratory glassware. One-mark pipettes

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

GOST 30813-2002: Water and water-preparation. Terms and definitions

GOST 4204-77: Reagents. Sulphuric acid. Specifications

GOST 4220-75: Reagents. Potassium bichromate. Specifications

GOST 6709-72: Distilled water. Specifications

GOST 8.315-97: Standard samples for composition and properties of substances and materials

GOST R 1.0-2004: Standardization in the Russian Federation. Basic provisions

GOST R 51592-2000: Water. General requirements for sampling

GOST R 51593-2000: Drinking water. Sampling

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

GOST R ISO/IEC 17025-2006: General requirements for the competence of testing and calibration laboratories

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