GB/T 6730.45-2025
ActiveIron ores—Determination of arsenic content—Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation
铁矿石 砷含量的测定 砷化氢分离—砷钼蓝分光光度法
Application Summary AI generated
This standard specifies the arseno-molybdenum blue spectrophotometric method for determining arsenic content in iron ores, following separation of arsenic as hydrogen arsenide. It is applied in the mining and metallurgical industries for quality control and trade of iron ores, particularly when assessing arsenic levels that can affect steelmaking processes and environmental compliance.
Related Standards
GB/T 1819.5-2004
Methods for chemical analysis of tin concentrates--Determination of arsenic content--The molybdoantimonyarsenate blue spectrophotometric method and the distillation-iodimetric titrimetric method
GB/T 1819.7-2004
Methods for chemical analysis of tin concentrates--Determination of bismuth content--Flame atomicabsorption spectrometric method
GB/T 1819.4-2004
Methodsfor chemical analysis of tin concentrates--Determination of lead content--Flameatomic absorption spectrometric method and EDTA titrimetric method
GB/T 1819.2-2004
Methods for chemical analysis of tin concentrates--Determination of tin content--The potassium iodate titrimetric method
GB/T 1819.3-2004
Methods for chemical analysis of tin concentrates--Determination of iron content--The cerium sulfate titrimetric method
GB/T 1819.12-2004
Methods for chemical analysis of tin concentrates--Determination of silicon dioxide content--The silicomolybdenum blue spectrophotometric method
GB/T 1819.13-2004
Methodsfor chemical analysis of tin concentrates--Determination of magnesium oxide andcalcium oxide contents--Flame atomic absorption spectrometric method
GB/T 1819.8-2004
Methods for chemical analysis of tin concentrates--Determination of zinc content--Flame atomic absorption spectrometric method
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