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GB/T 18114.8-2000 Methods for chemical analysis of monazite concentrates-Determination of yttrium oxide content 30.0 via email in 1~3 business day superseded
YS/T 358.7-2011 Methods for chemical analysis of tantalite,columbite concentrate—Part 7:Determination of iron content—Inductively coupled plasma atomic emission spectrometry 120.0 via email in 1~3 business day valid
YS/T 254.6-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 6:Determination of calcium oxide content—Flame atomic absorption spectrometry 120.0 via email in 1~3 business day valid
XB/T 104-2010 Monazite concentrate 120.0 via email in 1~3 business day abolished
GB/T 18114.1-2000 Methods for chemical analysis of monazite concentrates-Determination of total rare earth and thorium oxide content 15.0 via email in 1~3 business day superseded
YS/T 358.9-2011 Methods for chemical analysis of tantalite,colubite concentrate—Part 9:Determination of antimony content—Inductively coupled plasma atomic emission spectrometry 120.0 via email in 1~3 business day valid
GB/T 17413.2-2010 Methods for chemical analysis of lithium、rubidium and cesium ores—Part 2:Determination of rubidium content 120.0 via email in 1~3 business day valid
YS/T 254.3-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 3:Determination of phosphorus content—Phosphomlybdium vanadic acid spectrophotometry 120.0 via email in 1~3 business day valid
GB/T 7739.2-1987 Methods for chemical analysis of gold concentrates; The flame atomic absorption spectrophotometric methods for the determination of silver content 60.0 via email in 1~3 business day superseded
YS/T 358.3-2011 Methods for chemical analysis of tantalite,columbite concentrate—Part 3:Determination of silicon dioxide content—Silicomolybdenum blue spectrophotometry and gravimetry 180.0 via email in 1~3 business day valid
YS/T 231-2015 Tungsten concentrate 105.0 via email in 1~3 business day valid
YS/T 231-2007 Tungsten concentrate 90.0 via email in 1~3 business day superseded
YS/T 300-2015 Germanium concentrates 165.0 via email in 1~3 business day valid
YB/T 4031-1991 45.0 via email in 1~3 business day superseded
SN/T 1337.2-2003 Methods for chemical analysis of titanium concentrate for import and export - Determination of chromium sesquioxide content 60.0 via email in 1~3 business day valid
GB/T 17414.1-2010 Method for chemical analysis of beryllium ores—Part 1:Determination of beryllium content—Eriochrome cyanine R photometric method 180.0 via email in 1~3 business day valid
GB/T 27682-2011 Copper slag concentrate 120.0 via email in 1~3 business day valid
YS/T 231-1994 Technical requirements for tungsten concentrate 90.0 via email in 1~3 business day superseded
GB/T 17415.1-2010 Methods for chemical analysis of tantalum and niobium ores—Part 1:Determination of tantalum content 120.0 via email in 1~3 business day valid
YS/T 394-2007 Titanium tetrachloride 120.0 via email in 1~3 business day valid
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