GB/T 6730.9-2016

Active

Iron ores—Determination of silicon content—The silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate

铁矿石 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法

Standard Type
GBT
ICS
73.060.10
CCS
D31
Status
Active
Issue Date
2016-10-13
Implementation
2017-09-01
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 a spectrophotometric method for determining silicon content in iron ores, using silicomolybdic blue reduced by ammonium ferrous sulfate. It is applied in the mining and metallurgical industries for quality control and classification of iron ore products, particularly in laboratories conducting chemical analysis of raw materials for steel production.

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 1819.3-2004 Methods for chemical analysis of tin concentrates--Determination of iron content--The cerium sulfate 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 1819.13-2004 Methodsfor chemical analysis of tin concentrates--Determination of magnesium oxide andcalcium oxide contents--Flame atomic absorption spectrometric 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 1819.2-2004 Methods for chemical analysis of tin concentrates--Determination of tin content--The potassium iodate titrimetric 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.