GB/T 17616-1998
Replaced
GB/T 223.91-2021
Active
National standards
GB/T 223.91-2021 Iron,steel and alloy—Determination of copper—2,2′-Biquinoline spectrophotometric method
GB/T 223.91-2021 Iron,steel and alloy—Determination of copper—2,2′-Biquinoline spectrophotometric method
Price:
$ 54
Basic Information
Standard Code:
GB/T 223.91-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for steel and iron alloys
ICS Name:
Black metal comprehensive
Publish Date:
2021-08-20
Implement Date:
2022-03-01
Pages:
11 pages
Scope
This document specifies the use of the 2,2′-bipyridine spectrophotometry method to determine the copper content in steel and cast iron.
This document is applicable to the determination of copper content with a mass fraction of 0.02% to 5%.
Development Information
Same series standard
Referenced Standards
ISO 648
ISO 1042
ISO 3696
ISO 14284
Adopt standards
ISO 4946:2016
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