GB/T 1819.12-2017

Active

Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration

锡精矿化学分析方法 第12部分：二氧化硅量的测定 硅钼蓝分光光度法和氢氧化钠滴定法

Standard Type
GBT
ICS
73.060
CCS
D41
Status
Active
Issue Date
2017-09-29
Implementation
2018-04-01
Centralized Committee
中国有色金属工业协会
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 methods for determining silicon dioxide content in tin concentrates: silicomolybdenum blue spectrophotometry and sodium hydroxide titration. It is applied in the mining and metallurgical industries for quality control and processing of tin concentrates, ensuring accurate assessment of silica levels that affect smelting efficiency and product purity. The methods are used in laboratory testing contexts for chemical analysis of ore samples.

Related Standards

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 1819.7-2004 Methods for chemical analysis of tin concentrates--Determination of bismuth content--Flame atomicabsorption spectrometric method GB/T 1819.3-2004 Methods for chemical analysis of tin concentrates--Determination of iron content--The cerium sulfate titrimetric method GB/T 1819.2-2004 Methods for chemical analysis of tin concentrates--Determination of tin content--The potassium iodate titrimetric 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 1819.13-2004 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 1819.8-2004 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.