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

现行

Issue Date

2007-09-11

Implementation

2008-02-01

Responsible Dept

中国钢铁工业协会

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/T 3653.5-1983 Methods for chemical analysis of ferroboron--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content GB/T 3653.2-1983 Methods for chemical analysis of ferroboron--The gasometric method for the determination of carbon content GB/T 3654.9-1983 Methods for chemical analysisof ferroniobium--The thiocyanate photometric method for the determination of tungsten content GB/T 3654.5-1983 Methods for chemical analysis of ferroniobium--The molybdenum blue photometric method for the determination of the phosphorus content GB/T 3654.4-1983 Methods for chemical analysis of ferroniobium--The combustion gravimetric method for the determination of carbon content GB/T 3654.3-1983 Methods for chemical analysis of ferroniobium--The gravimetric method for the determination of silicon content GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content GB/T 3654.10-1983 Methods for chemical analysis of ferroniobium--The EDTA volumetric method for the determination of aluminium content