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GB/T 4435-1984 Nickel and nickel-copper alloys round bars via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 7160-1987 Micron nickel carbonyl powder (USD) via email in 1-3 business day ABOLISHED
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 (USD) via email in 1-3 business day VALID
GB/T 8638.6-1988 Nickel base alloy powder; Determination of iron content; Titanium trichloride-potassium dichromate titrimetric method (USD) via email in 1-3 business day ABOLISHED
YS/T 539.11-2009 Methods for chemical analysis of nickel base alloy powder—Part 11:Determination of tungsten content—Cinchonine gravimetric analysis (USD) via email in 1-3 business day VALID
YS/T 539.12-2009 Methods for chemical analysis of nickel base alloy powder—Part 12:Determination of phosphorus content—N-butyl alcohol-chloroform extraction spectrophotometry (USD) via email in 1-3 business day VALID
GB/T 8647.5-1988 Nickel; Determination of magnesium content; Flame atomic absorption spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 325.2-2009 Methods for chemical analysis of nickel-copper alloy—Part 2:Determination of copper content—Electrolysis weight method (USD) via email in 1-3 business day VALID
YS/T 325.3-2009 Methods for chemical analysis of nickel-copper alloy—Part 3:Determination of iron content—The flame atomic absorption spectrometric method (USD) via email in 1-3 business day VALID
YS/T 539.2-2006 Nickel base alloy powder -- Determination of aluminium content -- Chrome azure S spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
GB/T 8638.11-1988 Nickel base alloy powder; Determination of tungsten content; Cinchonine gravimetric method (USD) via email in 1-3 business day ABOLISHED
YS/T 953.1-2014 Methods for chemical analysis of fire smelting nickel substrate material—Part 1:Determination of nikel content—Dimethylglyoxime spectrophotometric method and dimethylglyoxime gravimetric method (USD) via email in 1-3 business day VALID
YS/T 539.8-2006 Nickel base alloy powder -- Determination of copper content -- Neocuproine-chloroform extraction spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 539.4-2006 Nickel base alloy powder -- Determination of chromium content -- Persulfate oxidation titrimetric method (USD) via email in 1-3 business day ABOLISHED
GB 4702.14-1988 Methods for chemical analysis of chromium metal; The infrared absorption method for the determination of carbon content (USD) via email in 1-3 business day VALID
YS/T 539.13-2009 Methods for chemical analysis of nickel base alloy powder—Part 13:Determination of oxygen content—The pulse heating inert gas fusion-infrared absorption method (USD) via email in 1-3 business day VALID
GB/T 8647.1-2006 The methods for chemical analysis of nickel - Determination of iron content - Sulfosalicylic acid spectrophotometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 5247-1985 Electrolytic nickel powder (USD) via email in 1-3 business day ABOLISHED
GB/T 8638.2-1988 Nickel base alloy powder; Determination of aluminium content; Chrome azurol S spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
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