GB/T 7731.2-2007

Active

Ferrotungsten - Determination of manganese content - The periodate spectrophotometric method and the flame atomic absorption spectrometric method

钨铁 锰含量的测定 高碘酸盐分光光度法和火焰原子吸收光谱法

Standard Type
GBT
ICS
77.100
CCS
H11
Status
Active
Issue Date
2007-09-11
Implementation
2008-02-01
Centralized Committee
中国钢铁工业协会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies two analytical methods for determining the manganese content in ferrotungsten alloys. It is applied in the metallurgical industry, specifically for quality control and chemical analysis of ferrotungsten used in steelmaking and high-temperature alloys. The periodate spectrophotometric method and flame atomic absorption spectrometric method provide accurate measurement for ensuring alloy composition meets production specifications.

Related Standards

GB/T 6609.23-2004 Chemical analysis methods and determination of physical performance of alumina--Preparation andstorage of test samples GB/T 6609.16-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of boron trioxide content--Curcumin spectrophotometric method GB/T 6609.7-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of titanium dioxide content--Diantiprylmehane photometric method GB/T 6609.4-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of ferric oxide content--Orthophenanthroline photometric method GB/T 6609.14-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of fluorine content--Lanthanum-alizarincomplexone spectrophotometric method GB/T 6609.18-2004 Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N，N-dimethyl-P-phenylenediamine spectrophotometric method GB/T 6609.24-2004 Chemical analysis methods and determination of physical performance of alumina--Measurement of the angle of repose GB/T 6609.17-2004 Chemical analysis methods and determination of physical performance of alumina--Determination of phosphorus pentoxide content--Molybdenum blue spectrophotometric method
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.