GB/T 1421-1989 Replaced National standards

GB/T 1421-1989 Rhodium powder

Publish Date: 1989-02-27 Implement Date: 1990-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 1421-1989

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Precious metals and their alloys

ICS Name: Cadmium, cobalt, and their alloys

Publish Date: 1989-02-27

Implement Date: 1990-01-01

Publisher: The National Technical Supervision Bureau

Pages: 7 pages

Development Information

Drafting Units:

Kunming Precious Metals Research Institute of China Nonferrous Metals Industry Corporation

Drafting Persons:

Bai Zhongyu

Word Count: 12 Thousand words Pages: 7 pages

Replace the following standards

GB1421-78

Superseded by the following standards

GB/T 1421-2004 Rhodium powder

Referenced Standards

YB 926

Related Standards

GB/T 3311-1982 abolished_transferred

GB/T 3311-1982 Determination of cerium in cerium-tungsten alloys—oxidation-reduction volumetry

Publish Date: 1982-12-22

GB/T 3312-1982 abolished_transferred

GB/T 3312-1982 Determination of thorium dioxide in thorium-tungsten alloys—Weight method

Publish Date: 1982-12-22

GB/T 3313-1982 abolished_transferred

GB/T 3313-1982 Determination of rhenium in rhenium-tungsten alloys—Spectrophotometric method using dimethylglyoxime

Publish Date: 1982-12-22

GB/T 3631-1983 abolished_transferred

GB/T 3631-1983 Technical requirements of hydro-cinnabar

Publish Date: 1983-04-16

GB/T 3825-1983 abolished_transferred

GB/T 3825-1983 Method for chemical analysis of tungsten-molybdenum alloy—The EDTA volumetric method for the determination of molybdenum content

Publish Date: 1983-08-12

GB/T 3256.8-1983 abolished_transferred

GB/T 3256.8-1983 Methods for chemical analysis of zirconium powder for electro-vacuum uses—The combustion-gravimetric method for the determination of hydrogen content

Publish Date: 1983-10-19