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YS/T 630-2007 Chemical analysis methods of alumina Determination of impurities in Alumina inductively coupled plasma atomic emission spectrometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 953.8-2014 Methods for chemical analysis of fire smelting nickel substrate material―Part 8:Determination of iron content―Titanium trichloride reduction-potassium dichromate titrimetric method 100 (USD) via email in 1 business day VALID
YS/T 966-2014 Electrical calcined anthracite for cathode blocks 100 (USD) via email in 1 business day VALID
YS/T 74.4-1994 60 (USD) via email in 1-3 business day ABOLISHED
YS/T 298-1994 High-Titanium slag via email in ABOLISHED please email coc@codeofchina.com for quotation
YS/T 547-2006 High-pure tantalum pentoxide 30 (USD) via email in 1-3 business day ABOLISHED
YS/T 3003-2011 Regulations of the compilation on feasibility study report in the gold industry projects 1140 (USD) via email in 1-8 business day VALID
YS/T 423.1-2000 Methods for chemical analysis of nuclear-grade boron carbide powder—Determination of total boron content 60 (USD) via email in 1-3 business day VALID
YS/T 229.3-2013 Methods for chemical analysis of high pure lead—Part 3:Determination of antimony content—Atomic fluorescence spectrometry 120 (USD) via email in 1-3 business day VALID
YS/T 581.1-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 1: Determination of moisture content by gravimetric method 60 (USD) via email in 1-3 business day VALID
YS/T 568.11-2008 Chemical analysis methods for zirconium oxide and hafnium oxide-Determination of nickle content-α-Furil dioxime spectrophotometric method 120 (USD) via email in 1-3 business day VALID
YS/T 536.3-2006 Methods for chemical analysis of bismuth -- Determination of antimony content -- Melachite green photometric method 90 (USD) via email in 1-3 business day ABOLISHED
YS/T 775.1-2011 Methods for chemical analysis of lead anode slime- Part 1:Determination of lead content -Na2EDTA titrimetric method 120 (USD) via email in 1-3 business day VALID
YS/T 384-1994 30 (USD) via email in 1-3 business day ABOLISHED
YS/T 236-1994 Technical requirements of lepidolite concentrate 30 (USD) via email in 1-3 business day ABOLISHED
YS/T 575.4-2006 Methods for chemical analysis of bauxite -- Determination of iron oxide content -- Dichromate titrimetric method 90 (USD) via email in 1-3 business day ABOLISHED
YS 5208-2000 Specification for operating of drilling shaft and trenching 570 (USD) via email in 1-5 business day ABOLISHED
YS/T 924-2013 Safety specification for hydrophilic aluminium foils production 240 (USD) via email in 1-3 business day VALID
YS/T 1001-2014 Method of ultrasonic inspection for sheet titanium and titanium alloy 180 (USD) via email in 1-3 business day VALID
YS/T 1075.4-2015 Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys—Part 4:Determination of vanadium content—Inductively coupled plasma atomic emission spectrometry and ammonium ferrous sulfate titration 180 (USD) via email in 1-3 business day VALID
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