GB/T 6912.1-2006 Active National standards

GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling—Determination of nitrates and nitrites—Part 1:Ultraviolet spectrophotometry for nitrates

GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling—Determination of nitrates and nitrites—Part 1:Ultraviolet spectrophotometry for nitrates

Publish Date: 2006-09-01 Implement Date: 2007-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 6912.1-2006

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: The boiler and its auxiliary equipment

ICS Name: Comprehensive Water Testing

Publish Date: 2006-09-01

Implement Date: 2007-02-01

Pages: 5 pages

Scope

This part of GB/T 6912 specifies the method for determining the nitrate content in boiler water and cooling water. This part is applicable to the determination of nitrate content in boiler water and cooling water samples with a concentration of 0 to 40 mg/L.

Development Information

Word Count: 6 Thousand words Pages: 5 pages

Replace the following standards

GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling—The determination of nitrates and nitrites—Ultraviolet spectrophotometry for nitrates

Referenced Standards

GB/T 6903-2005 Analysis of water used in boil and cooling system—General rule GB/T 6903-2022 Analysis of water used in boiler and cooling system—General rule GB/T 6907-2005 Analysis of water used in boil and cooling system—The sampling method of water GB/T 6907-2022 Analysis of water used in boiler and cooling system—Sampling method of water GB/T 12808-1991 Laboratory glassware—One-mark pipettes GB/T 12808-2015 Laboratory glassware—One mark pipettes

Related Standards

GB/T 4921-1985 Active

GB/T 4921-1985 Waste gas from manufacturing process—Determination of chemical oxygendemand and nitrogen oxide—Potassium dichromate oxidation and naphthylethylene diamine colorimetric method

Publish Date: 1985-01-18

GB/T 6764-1986 Abolished

GB/T 6764-1986 Radiochemical analysis of strontium-90 in water Precipitation by fuming nitric acid

Publish Date: 1986-09-04

GB/T 6765-1986 Abolished

GB/T 6765-1986 Radiochemical analysis of strontium-90 in water Ion exchange method

Publish Date: 1986-09-04

GB/T 6766-1986 Abolished

GB/T 6766-1986 Radiochemical analysis of strontium-90 in water Extraction chromatography by di-(2-ethylhexyl) phosphoric acid

Publish Date: 1986-09-04

GB/T 6767-1986 Abolished

GB/T 6767-1986 Radiochemical analysis of cesium-137 in water

Publish Date: 1986-09-04

GB/T 6768-1986 Abolished

GB/T 6768-1986 Methods of analysing microquantity of uranium in water

Publish Date: 1986-09-04