GB/T 3311-1982
abolished_transferred
GB 1422-1989
Abolished
National standards
force_standard
GB 1422-1989 Iridium powder
GB 1422-1989 Iridium powder
Basic Information
Standard Code:
GB 1422-1989
Standard Type:
National standards
Standard Status:
Abolished
is_force_gb:
yes
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
Replace the following standards
GB1422-78
Superseded by the following standards
Referenced Standards
YB 927
Related Standards
GB/T 3312-1982
abolished_transferred
GB/T 3312-1982 Determination of thorium dioxide in thorium-tungsten alloys—Weight method
GB/T 3313-1982
abolished_transferred
GB/T 3313-1982 Determination of rhenium in rhenium-tungsten alloys—Spectrophotometric method using dimethylglyoxime
GB/T 3631-1983
abolished_transferred
GB/T 3631-1983 Technical requirements of hydro-cinnabar
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
GB/T 3256.8-1983
abolished_transferred