GOST R 52708-2007
ГОСТ Р 52708-2007
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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
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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