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GB/T 666-1993 Replaced National standards

GB/T 666-1993 Chemical reagent—Zine sulfate heptahydrate

GB/T 666-1993 Chemical reagent—Zine sulfate heptahydrate

Publish Date: 1993-03-01 Implement Date: 1993-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 666-1993
Standard Type: National standards
Standard Status: Replaced
is_force_gb: no
CCS Name: Generally, inorganic reagents
ICS Name: Chemical reagents
Publish Date: 1993-03-01
Implement Date: 1993-12-01
Pages: 5 pages

Development Information

Word Count: 8 Thousand words Pages: 5 pages

Replace the following standards

GB 666-1978

Superseded by the following standards

GB/T 666-2011 Chemical reagent—Zinc sulfate heptahydrate

Referenced Standards

GB 619 HG 3-119 HG 3-1168 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 610.2-1988 Chemical reagent General method for the determination of arsenic (AgDDTC) GB/T 3914-1983 Chemical reagents—The general rules of anodic stripping voltammetry GB/T 3914-2008 Chemical reagent—The general rules of anodic stripping voltammetry 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 9724-2007 Chemical reagent—General rule for the determination of pH 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 602-2026 Chemical reagent—Preparations of standard solutions for impurity

Adopt standards

ISO 6353-3:1987R97

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
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