GB/T 3654.10-1983
Replaced
GB/T 3654.2-2008
Active
National standards
GB/T 3654.2-2008 Ferroniobium—Determination of copper content—The neocuproine-choroform extraction photometric method
GB/T 3654.2-2008 Ferroniobium—Determination of copper content—The neocuproine-choroform extraction photometric method
Basic Information
Standard Code:
GB/T 3654.2-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for steel and iron alloys
ICS Name:
Iron alloy
Publish Date:
2008-05-13
Implement Date:
2008-11-01
Pages:
5 pages
Scope
This section specifies the determination of copper content in niobium iron using the extraction-photometry method with nitrobenzene-methyl chloride. This section is applicable to the determination of copper content in niobium iron. The determination range (mass fraction) is 0.0040% to 0.18%.
Development Information
Same series standard
Replace the following standards
Referenced Standards
Related Standards
GB/T 3654.1-1983
Active
GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium—The paper chromatograph-gravimetric method for the determination of niobium and tantalum
GB/T 3654.2-1983
Replaced
GB/T 3654.2-1983 Methods for chemical analysis of ferroniobium—The neocuproine-chloroform extraction photometric method for the determination of copper content
GB/T 3654.3-1983
Replaced
GB/T 3654.3-1983 Methods for chemical analysis of ferroniobium The gravimetric method for the determination of silicon content
GB/T 3654.4-1983
Active
GB/T 3654.4-1983 Methods for chemical analysis of ferroniobium The combustion gravimetric method for the determination of carbon content
GB/T 3654.5-1983
Active