GB/T 3879-1983
Replaced
GB/T 41322-2022
Active
National standards
GB/T 41322-2022 Hardmetals—Determination of silicon in cobalt metal powders—Photometric method
GB/T 41322-2022 Hardmetals—Determination of silicon in cobalt metal powders—Photometric method
Basic Information
Standard Code:
GB/T 41322-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analytical methods for powder metallurgy
ICS Name:
Powder metallurgy
Publish Date:
2022-03-09
Implement Date:
2022-10-01
Pages:
6 pages
Scope
This document specifies the method for determining the silicon content in cobalt powder by spectrophotometry, with a silicon content ranging from 5 μg/g to 300 μg/g.
This document is applicable to the determination of silicon content in cobalt powder for hard alloys.
Development Information
Adopt standards
ISO 11877:2008
Related Standards
GB/T 4309-1984
Replaced
GB/T 4309-1984 Classification and designation for powder metallurgy materials
GB/T 5124.1-1985
Replaced
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content
GB/T 5124.2-1985
Replaced
GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content
GB/T 5124.3-1985
Replaced
GB/T 5124.3-1985 Methods for chemical analysis of hardmetals—The potentiometric method for the determination of cobalt content
GB/T 5124.4-1985
Replaced