GB/T 639-2008 Active National standards

GB/T 639-2008 Chemical reagent—Sodium carbonate anhydrous

GB/T 639-2008 Chemical reagent—Sodium carbonate anhydrous

Publish Date: 2008-05-15 Implement Date: 2008-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 639-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Generally, inorganic reagents

ICS Name: Chemical reagents

Publish Date: 2008-05-15

Implement Date: 2008-11-01

Pages: 7 pages

Scope

This standard specifies the properties, specifications, testing, inspection rules, packaging, and marking of anhydrous sodium carbonate in chemical reagents. This standard applies to the inspection of anhydrous sodium carbonate in chemical reagents.

Development Information

Word Count: 10 Thousand words Pages: 7 pages

Replace the following standards

GB/T 639-1986 Chemical reagent—Sodium carbonate,anhydrous

Referenced Standards

GB/T 9723-2007 Chemical reagent—General rule for flame atomic absorption spectrometric analysis GB/T 9734-2008 Chemical reagent—General method for the determination of aluminium GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods GB/T 609-1988 Chemical reagent General method for the determination of total nitrogen GB/T 609-2006 Chemical reagent—General method for the determination of total nitrogen GB/T 609-2018 Chemical reagent—General method for the determination of total nitrogen 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/T 9728-1988 Chemical reagent General method for the determination of sulphate GB/T 9728-2007 Chemical reagent—General method for the determination of sulphate GB/T 9729-1988 Chemical reagent General method for the determination of chloride GB/T 9729-2007 Chemical reagent—General method for the determination of chloride GB/T 9738-1988 Chemical reagent General method for the determination of water insoluble matter GB/T 9738-2008 Chemical reagent—General method for the determination of water insoluble matter GB/T 9739-1988 Chemical reagent General method for the determination of iron GB/T 9739-2006 Chemical reagent—General method for the determination of iron GB 15346-1994 Chemical reagent—Packaging and marking GB 15346-2012 Chemical reagent—Packaging and marking HG/T 3921-2006 Chemical reagents sampling and acceptance rules HG/T 3484-1999 Chemical reagent Standard of clear liquor,made from glass dust,and standard of transparence GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity

Adopt standards

ISO 6353-2:1983

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