GB/T 11894-1989 Abolished National standards

GB/T 11894-1989 Water quality—Determination of total nitrogen—Alkaline potassium persulfate digestion-UV spectrophotometric method

Publish Date: 1989-12-25 Implement Date: 1990-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 11894-1989

Standard Type: National standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Analysis methods for toxic substances in water environments

ICS Name: Comprehensive Water Testing

Publish Date: 1989-12-25

Implement Date: 1990-07-01

Publisher: The National Technical Supervision Bureau

Pages: 8 pages

Development Information

Drafting Units:

Shanghai Environmental Monitoring Center

Drafting Persons:

Dai Kuihui

Word Count: 8 Thousand words Pages: 8 pages

Superseded by the following standards

HJ 636-2012 Water quality determination of total nitrogen by alkaline potassium persulfate digestion and UV spectrophotometry

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

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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