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GB 4699.4-1988 Methods for chemical analysis of silicochromium The infrared absorption method for the determination of carbon content 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 539.7-2006 Nickel base alloy powder -- Determination of cobalt content -- Nitroso-R salt spectrophotometric method 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 953.11-2014 Methods for chemical analysis of fire smelting nickel substrate material—Part 11:Determination of Lead,Arsenic,Cadmium and Mercury contents—Inductively coupled plasma-mass spectrometric method 180 (USD) via email in 1-3 business day VALID
YS/T 539.12-2006 Nickel base alloy powder -- Determination of phosphorus content -- N-butyl alcohol-chloroform extraction spectrophotometric method 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 325.4-2009 Methods for chemical analysis of nickel-copper alloy—Part 4:Determination of manganese content—The flame atomic absorption spectrometric method 180 (USD) via email in 1-3 business day VALID
YS/T 539.13-2006 Nickel base alloy powder -- Determination of oxygen content -- Pulse heating inert gas fusion coulometric titrimetric method 60 (USD) via email in 1-3 business day ABOLISHED
YS/T 252.2-2007 Methods for chemical analysis of nickel matte-Determination of iron content-Sulfosalicylic acid photometric method via email in 1-3 business day VALID 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 953.2-2014 Methods for chemical analysis of fire smelting nickel substrate material—Part 2:Determination of silicon content—Molybdosilicate blue spectrophotometric method and perchloric acid dehydration gravimetric method 180 (USD) via email in 1-3 business day VALID
YS/T 953.6-2014 Methods for chemical analysis of fire smelting nickel substrate material―Part 6:Determination of cobalt content―5-Cl-PADAB spectrophotometric method and flame atomic absorption spectrometric method 160 (USD) via email in 1 business day VALID
GB 3121-1982 Nickel and its alloy wires for electronic tube 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 1085-2015 Refined nickel—Determination of Silicon,manganese,phosphorus,iron,copper,cobalt,magnesium,aluminum,zinc,chromium—Inductively coupled plasma atomic emission spectrometric method 240 (USD) via email in 1-3 business day VALID
YS/T 539.1-2009 Methods for chemical analysis of nickel base alloy powder—Part 1:Determination of boron content—Acid-base titration 120 (USD) via email in 1-3 business day VALID
YS/T 539.6-2009 Methods for chemical analysis of nickel base alloy powder—Part 6:Determination of iron content—Titanium trichloride-potassium dichromate titration 120 (USD) via email in 1-3 business day VALID
GB 3120-1982 Nickel wires 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 584-2006 Chromium bronzes and zirconium bronzes bars and rods for electrode material via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 53.2-2010 Methods for chemical analysis of copper,lead,zinc original and tailing ores—Part 2:Determination of gold content—Separation and preconcentration by flow injection and 8531 fiber micro-column-the flame atomic absorption spectrum method 180 (USD) via email in 1-3 business day VALID
YS/T 252.3-2007 Methods for chemical analysis of nickel matte-Determination of cobalt content-Flame atomic absorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 252.4-2007 Methods for chemical analysis of nickel matte-Determination of cobalt content-Sodium thiosulphate titrimetric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 870-2013 Chemical analysis of high purity aluminium—Determination of trace impurities—Inductively coupled plasma mass spectrometry 180 (USD) via email in 1-3 business day VALID
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