GB/T 12684.11-1990 Abolished National standards

GB/T 12684.11-1990 Boric acid for industrial use—Determination of cobalt content

Publish Date: 1990-12-30 Implement Date: 1991-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12684.11-1990

Standard Type: National standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Inorganic acids and alkalis

ICS Name: Acid

Publish Date: 1990-12-30

Implement Date: 1991-12-01

Publisher: The National Technical Supervision Bureau

Technical Committee: Tianjin Chemical Research Institute of the Ministry of Chemical Industry

Pages: 4 pages

Development Information

Drafting Units:

Tianjin Red Flag Chemical Plant and Tianjin Chemical Industry Research Institute of the Ministry of Chemical Industry

Drafting Persons:

Zhou Xuncheng and Li Jingge

Word Count: 5 Thousand words Pages: 4 pages

Same series standard

Referenced Standards

GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity

Adopt standards

ISO 5932-1980

Related Standards

GB/T 12684.10-1990 Abolished

GB/T 12684.10-1990 Boric acid for industrial use—Determination of chromium content

Publish Date: 1990-12-30

GB/T 12684.1-1990 Replaced

GB/T 12684.1-1990 Boric acid for industrial use—Determination of boric acid content

Publish Date: 1990-12-30

GB/T 12684.2-1990 Replaced

GB/T 12684.2-1990 Boric acid for industrial use—Determination of insoluble substance content in water

Publish Date: 1990-12-30

GB/T 12684.3-1990 Replaced

GB/T 12684.3-1990 Boric acid for industrial use—Determination of sulphate content by reduction and titrimetry

Publish Date: 1990-12-30

GB/T 12684.4-1990 Replaced

GB/T 12684.4-1990 Boric acid for industrial use—Determination of sulphate content by visual turbidimetry

Publish Date: 1990-12-30

GB/T 12684.5-1990 Replaced

GB/T 12684.5-1990 Boric acid for industrial use—Determination of chloride content

Publish Date: 1990-12-30