GB/T1819.12-2017
GB/T1819.12-2017, Total:3 items.
The international standard classification for "GB/T1819.12-2017" includes: Metalliferous minerals .
The Chinese standard classification for "GB/T1819.12-2017" includes: Light metal ore .
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
- GB/T 1819.12-2017 Methods for chemical analysis of tin concentrates - Part 12: Determination of silicon dioxide content - The silicomolybdenum blue spectrophotometry and sodium hydroxide titration
未注明发布机构
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 1819.12-2004 Methods for chemical analysis of tin concentrates - Determination of silicon dioxide content - The silicomolybdenum blue spectrophotometric method
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