GB/T 14639-1993 Replaced National standards

GB/T 14639-1993 Industrial circulating cooling water—Determination of magnesium—Atomic absorption spectrometric method

Publish Date: 1993-08-06 Implement Date: 1994-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 14639-1993

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Basic standards and general methods for water treatment agents

ICS Name: Comprehensive Water Testing

Publish Date: 1993-08-06

Implement Date: 1994-07-01

Pages: 8 pages

Development Information

Word Count: 8 Thousand words Pages: 8 pages

Superseded by the following standards

GB/T 14636-2007 Industrial circulating cooling water—Determination of calcium,magnesium—Atomic absorption spectrometric method

Referenced Standards

GB/T 4470-1998 Analytical spectroscopic methods—Flame emission, atomic absorption and atomic fluorescence—Vocabulary GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB 6819-1996 Dissolved acetylene GB 6819-2004 Dissolved acetylene

Adopt standards

ISO 7980-1986

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