GB/T 689-1998 Active National standards

GB/T 689-1998 Chemical reagent Pyridine

Publish Date: 1998-10-20 Implement Date: 1999-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 689-1998

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Generally, organic reagents and organic solvents

ICS Name: Chemical reagents

Publish Date: 1998-10-20

Implement Date: 1999-05-01

Pages: 8 pages

Development Information

Word Count: 8 Thousand words Pages: 8 pages

Replace the following standards

GB 689-1978

Referenced Standards

GB/T 601-1988 GB/T 602-1988 GB/T 603-1988 GB/T 606-1988 GB/T 619-1988 GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 9722-1988 GB/T 9728-1988 Chemical reagent General method for the determination of sulphate GB/T 9729-1988 Chemical reagent General method for the determination of chloride GB/T 9740-1988 Chemical reagent General method for the determination of dry residue after evaporation GB 15346-1994 Chemical reagent—Packaging and marking

Adopt standards

A.C.S(1987)

Related Standards

GB/T 2921-1982 Abolished

GB/T 2921-1982 Chemical reagents—Classification and nomenclature of liquid stationary phase for gas chromatography

Publish Date: 1982-03-03

GB/T 2922-1982 Abolished

GB/T 2922-1982 Chemical reagents—Determination of specific surface area of solid supports used in chromatography

Publish Date: 1982-03-03

GB/T 3914-1983 Replaced

GB/T 3914-1983 Chemical reagents—The general rules of anodic stripping voltammetry

Publish Date: 1983-11-07

GB/T 673-1984 Replaced

GB/T 673-1984 Chemical reagent—Arsenic trioxide

Publish Date: 1984-12-27

GB/T 1263-1986 Replaced

GB/T 1263-1986 Chemical reagent—Disodium hydrogen phosphate dodecahydrate

Publish Date: 1986-08-13

GB/T 1292-1986 Replaced

GB/T 1292-1986 Chemical reagents—Ammonium acetate

Publish Date: 1986-08-13