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YS/T 227.11-1994 Determination of silicon content in tellurium--n-butyl alcohol extraction silicon-molybdenum blue photometric method 30 (USD) via email in 1-3 business day ABOLISHED
YS/T 254.2-1994 Methods for chemical analysis of beryllium concentrates-beryl The EDTA volumetric method for the determination of ferric sesquioxide content 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 421-2007 Aluminum sheet and strip for Offset-Plate via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 300-1994 Germanium collection 150 (USD) via email in 1-3 business day ABOLISHED
YS/T 3019-2013 The Safety Technical Specification for Gold Heap Leaching Process 120 (USD) via email in 1 business day VALID
YS/T 461.3-2013 The Methods for Chemical Analysis of Lead and Zinc Bulk Concentrates - Part 3: The Determination of Sulfur Content - The Combustion-Neustralinzation Titrimetric Method 120 (USD) via email in 1 business day VALID
YS/T 716.5-2009 Methods for chemical analysis of low grade blister—Part 5:Determination of tin content—Potassium iodate titration 120 (USD) via email in 1-3 business day VALID
YS/T 1011-2014 Methods for chemical analysis of high purity cobalt—Determination of impurity elements content—Glow discharge mass spectrometry 120 (USD) via email in 1-3 business day VALID
YS/T 445.4-2001 Methods for chemical analysis of silver concentrates -- Determination of oxide aluminum content via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 904.3-2013 Methods for chemical analysis of iron-chromium-aluminum fiber―Part 3:Determination of silicon、manganese、titanium、copper、lanthanum and cerium content―Inductively coupled plasma atomic emission spectrometry 160 (USD) via email in 1 business day VALID
YS/T 971-2014 Titanium-nickel shape memory alloy wires 180 (USD) via email in 1-3 business day VALID
YS/T 227.5-2010 Methods for chemical analysis of copper anode slime—Part 2:Determination of gold content and silver content—Fire assay gravimetric method 120 (USD) via email in 1-3 business day VALID
YS/T 928.2-2013 Methods for Chemical Analysis of Nickel Cobalt Manganese Composite Hydrogenoxide Part 2: Determination of Nickel Contents Dimethylglyoxime Gravimetric 120 (USD) via email in 1 business day VALID
YS/T 388-1994 180 (USD) via email in 1 business day
YS/T 535.7-2009 Chemical analysis methods of sodium fluoride—Part 7:Determination of acidity—Neutral titration method 120 (USD) via email in 1-3 business day VALID
YS/T 363-1994 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 575.8-2006 Methods for chemical analysis of bauxite -- Determination of magnesium oxide content -- Flame atomic absorption spectrophotometric method 105 (USD) via email in 1-3 business day ABOLISHED
YS/T 575.13-2006 Methods for chemical analysis of bauxite -- Determination of zinc content -- Flame atomic absorption spectrophotometric method 105 (USD) via email in 1-3 business day ABOLISHED
YS/T 244.3-1994 Methods for chemical analysis of high purity aluminum The diantipyrylmethane-thiocyanate photometric method for the determination for titanium content 30 (USD) via email in 1-3 business day ABOLISHED
YS/T 561-2006 Method for chemical analysis of platinum-rhodium alloys 90 (USD) via email in 1-3 business day ABOLISHED
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