GB/T 7490-1987 Abolished National standards

GB/T 7490-1987 Water quality—Determination of volatile phenolic compounds—After distillation by means of 4-AAP spectrophotometric method

Publish Date: 1987-03-14 Implement Date: 1987-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7490-1987

Standard Type: National standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Analysis methods for toxic substances in water environments

ICS Name: \nWater quality

Publish Date: 1987-03-14

Implement Date: 1987-08-01

Publisher: The State Environmental Protection Administration

Pages: 12 pages

Development Information

Drafting Units:

Hangzhou City Environmental Protection Monitoring Station

Drafting Persons:

Shen Shuping

Word Count: 14 Thousand words Pages: 12 pages

Superseded by the following standards

HJ 503-2009 Water quality determination of volatile phenols by 4-aminoantipyri-dine spectrophotometry

Adopt standards

ISO 6439-1984

Related Standards

GB/T 6816-1986 Abolished

GB/T 6816-1986 Water quality—Vocabulary—Part 1 and part 2

Publish Date: 1986-10-10

GB/T 6920-1986 Active

GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method

Publish Date: 1986-10-10

GB/T 7466-1987 Active

GB/T 7466-1987 Water quality—Determination of total chromium

Publish Date: 1987-03-14

GB/T 7467-1987 Active

GB/T 7467-1987 Water quality—Determination of chromium (Ⅵ)—1,5 Diphenylcarbohydrazide spectrophotometric method

Publish Date: 1987-03-14

GB/T 7468-1987 Abolished

GB/T 7468-1987 Water quality—Determination of total mercury—Cold atomic absorption spectropho to metry

Publish Date: 1987-03-14

GB/T 7469-1987 Active

GB/T 7469-1987 Water quality—Determination of total mercury—Potassium permanganate-potassium persalfate decomposed method—Dithizone spectrophotometric method

Publish Date: 1987-03-14