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Tungsten trioxide

Tungsten trioxide, Total:13 items.

In the international standard classification, Tungsten trioxide involves: Non-ferrous metals, Metalliferous minerals, Optics and optical measurements.

Professional Standard - Commodity Inspection, Tungsten 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
• SN/T 3012-2011 Determination of tungsten trioxide in tungsten ores.X-ray fluorescence spectrometry

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

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

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

• 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 1828-1979 Determination of tungsten trioxide content in tin concentrates--Thiocyanate photometric method
• GB/T 6150.1-2008 Methods for chemical analysis of tungsten concentrates.Determination of tungsten trioxide content.The ammonium tungstate igniting gravimetric method
• GB/T 15072.17-2008 Test method of precious metal alloys.Determination of tungsten contents for platinum alloys.Tungstic acid gravimetry
• GB/T 26019-2010 Methods for chemical analysis of high impurity tungsten mineral.Determination of tungsten trioxide content.Twice separation and igniting gravimetric method
• GB/T 1819.9-2004 Methods for chemical analysis of tin concentrates Determination of tungsten trioxide content-The thiocyanate spectrophotometric method

Professional Standard - Non-ferrous Metal, Tungsten trioxide

• YS/T 240.4-2007 Methods for chemical analysis of bismuth concentrate. Determination of tungsten trioxide content. Thiocyanate spectrophotometric method
• YS/T 358.4-2011 Methods for chemical analysis of tantalite,columbite concentrate.Part 4:Determination of tungsten trioxide content.Thiocyanate spectrophotometric method

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 trioxide

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

Others:   Three reports and three batches, Three doctors, Determination of Tungsten Trioxide Content in Tungsten Concentrates by X-ray Fluorescence Spectrometry, Tungsten oxide, Trihydroxytriethyl, Tungsten trioxide, three set three, Tungsten trioxide content, Tungsten trioxide content, Tungsten dioxide, Tungsten trioxide content in ammonium paratungstate import and export, Determination of tungsten trioxide content in tungsten concentrates. X-ray fluorescence spectrometry, March Three Therapy, Tungsten tin trioxide, three-tone three-phase, three tones, Tungsten Oxybromide, /Three at three, three-tone three-phase, Trichlorotrifluoroethane.