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Tungsten tin trioxide

Tungsten tin trioxide, Total:14 items.

In the international standard classification, Tungsten tin trioxide involves: Optics and optical measurements, Metalliferous minerals, Products of the chemical industry, Organic chemicals, Non-ferrous metals.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Tungsten tin trioxide

GB/T 1828-1979 Determination of tungsten trioxide content in tin concentrates--Thiocyanate photometric method
GB/T 1819.9-2004 Methods for chemical analysis of tin concentrates Determination of tungsten trioxide content-The thiocyanate spectrophotometric method
GB/T 6150.1-1985 Methods for chemical analysis of tungsten concentrates--The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content
GB/T 6150.1-2008 Methods for chemical analysis of tungsten concentrates.Determination of tungsten trioxide content.The ammonium tungstate igniting gravimetric method

CZ-CSN, Tungsten tin trioxide

CSN 44 1514-1990 Tin-tungsten ores and concentrates. Determination of calcium oxide and magnesium oxide content
CSN 44 1508-1990 Tin-tungsten ores and concentrates. Determination of lithium oxide content
CSN 44 1504-1990 Tin-tungsten ores and concentrates. Determination of silicon dioxide content
CSN 44 1507-1990 Tin-tungsten ores and concentrates. Determination of aluminium oxide content

British Standards Institution (BSI), Tungsten tin trioxide

BS 4630:1970 Specification for tributyltin oxide (di(tributyltin) oxide)

VN-TCVN, Tungsten tin trioxide

TCVN 3640-1981 Tin ores.Method for the determination of tungsten oxide content

Professional Standard - Commodity Inspection, Tungsten tin trioxide

SN/T 0951-2000 Method for the determination of tungsten trioxide content in ammonium paratungstate for import export
SN/T 0951-2010 Determination of tungsten trioxide content in ammonium paratungstate for import and export

Group Standards of the People's Republic of China, Tungsten tin trioxide

T/GZNFS 001.1-2019 Methods for Chemical Analysis of Tungsten Slag Part 1: Determination of Tungsten Trioxide Content

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, Tungsten tin trioxide

GB/T 1819.9-2017 Methods for chemical analysis of tin concentrates—Part 9：Determination of tungsten trioxide content—The thiocyanate spectrophotometric method