GB/T 14352.21-2021

Active

Methods for chemical analysis of tungsten ores and molybdenum ores—Part 21：Determination of arsenic content—Hydride generation atomic fluorescence spectrometry

钨矿石、钼矿石化学分析方法 第21部分：砷量的测定 氢化物发生-原子荧光光谱法

Standard Type
GBT
ICS
73.060
CCS
D40
Status
Active
Issue Date
2021-03-09
Implementation
2021-10-01
Centralized Committee
自然资源部（国土）
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the hydride generation atomic fluorescence spectrometry method for determining arsenic content in tungsten and molybdenum ores. It is applied in mining and mineral processing laboratories for quality control, resource evaluation, and environmental monitoring of ore deposits. The method ensures accurate arsenic quantification, which is critical for assessing ore grade, processing safety, and compliance with environmental regulations.

Related Standards

GB/T 1819.7-2004 Methods for chemical analysis of tin concentrates--Determination of bismuth content--Flame atomicabsorption spectrometric method 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 1819.4-2004 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 1819.12-2004 Methods for chemical analysis of tin concentrates--Determination of silicon dioxide content--The silicomolybdenum blue spectrophotometric method GB/T 1819.3-2004 Methods for chemical analysis of tin concentrates--Determination of iron content--The cerium sulfate titrimetric method GB/T 1819.13-2004 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
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.