GB/T 3135-1982
abolished_transferred
T/CPCIF 0166-2021
Active
Group standards
T/CPCIF 0166-2021 Electrolytic Cr(VI) oxide method
T/CPCIF 0166-2021 Electrolytic Cr(VI) oxide method
Price:
$ 20.00
Basic Information
Standard Code:
T/CPCIF 0166-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Chemical industry
ICS Name:
Oxide
Publish Date:
2021-12-30
Implement Date:
2022-04-01
Scope
Scope: This document specifies the requirements, test methods, inspection rules, marking, labeling, and accompanying documents, packaging, transportation, and storage of electrolytic chromic anhydride. This document is applicable to electrolytic chromic anhydride. Note: This product is mainly used in the electroplating industry and can also be used as an oxidizing agent, catalyst, wood preservative, and raw material for chromium salt products such as chromium trioxide. Main technical contents: Item Standard Superior First-grade Passed Chromic anhydride (CrO3) (dry basis) w/% ≥99.8 99.6 99.4 Water-insoluble matter w/% ≤0.005 0.01 0.01 Sulfate (as SO4) w/% ≤0.02 0.03 0.05 Chloride (as Cl) w/% ≤0.005 0.01 0.015 Iron (Fe) w/% ≤0.003 0.005 0.005 Sodium (Na) w/% ≤0.02 0.05 0.10 Trivalent chromium (Cr) w/% ≤0.05 0.08 0.10 Turbidity/NTU ≤1.0 2.0 3.0
Development Information
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GB/T 5236-1985
abolished_transferred
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GB/T 7315.1-1987
abolished_transferred
GB/T 7315.1-1987 Methods for chemical analysis of vanadium pentoxide—The potassium permanganate oxidation-ammonium ferrous sulfate titrimetric method for the determination of vanadium pentoxide content
GB/T 7315.2-1987
abolished_transferred