GB/T 631-1989 Replaced National standards

GB/T 631-1989 Chemical reagent—Ammonia solution (25%)

Publish Date: 1989-03-31 Implement Date: 1989-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 631-1989

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Generally, inorganic reagents

ICS Name: Chemical reagents

Publish Date: 1989-03-31

Implement Date: 1989-12-01

Publisher: The National Technical Supervision Bureau

Technical Committee: Beijing Chemical Reagent Factory

Pages: 6 pages

Development Information

Drafting Units:

Xi'an Chemical Reagents Factory

Drafting Persons:

Zhu Zemin

Word Count: 10 Thousand words Pages: 6 pages

Replace the following standards

GB 631-1977

Superseded by the following standards

GB/T 631-2007 Chemical reagent—Ammonia solution

Referenced Standards

GB 619 HG 3-119 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 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 9723-2007 Chemical reagent—General rule for flame atomic absorption spectrometric analysis GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity

Adopt standards

ISO 6353/2-1983R3

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