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GB/T 3254.6-1998 Antimony trioxide—Determination of selenium content via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 8550.7-1987 (USD) via email in 1-3 business day ABOLISHED
GB 5119.1-1985 (USD) via email in 1-3 business day ABOLISHED
SN/T 1863-2007 Determination of copper content in copper and copper products-Fast electrolysis and ICP-AES revisal method via email in VALID please email coc@codeofchina.com for quotation
GB/T 8220.13-1998 Methods for chemical analysis of bismuth-Determination of silver and cadmium content-Electrothermal atomic absorption spectrometric method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 5121.10-1985 (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 746.13-2010 Methods for chemical analysis of lead-free tin-based solders—Part 12:Determination of Indium content—Na2EDTA titrimetric method (USD) via email in 1-3 business day VALID
GB/T 12689.7-1990 Zinc and zinc alloys—Determination of magnesium content—Flame atomic absorption spectrometric method via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 3254.5-1998 Antimony trioxide--Determination of iron content 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 (USD) via email in 1 business day VALID
YS/T 74.10-2010 Methods for chemical analysis of cadmium—Part 10:Determination of silver content—Flame atomic absorption spectrometry (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 (USD) via email in 1-3 business day VALID
SN/T 1031.5-2001 Method for the chemical analysis of crude antimony trioxide for export--Determination of selenium content via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB 8220.9-1987 (USD) via email in 1-3 business day ABOLISHED
GB/T 4103.11-2012 Methods for chemical analysis of lead and lead alloys - Part 11: Determination of zinc content (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 (USD) via email in 1-3 business day ABOLISHED
GB/T 32793-2016 Methods for chemical analysis of nickel sinter and nickel oxide—Determination of nickel,cobalt,copper,iron,zinc,manganese contents—Electrolytic gravimetric method and Inductively coupled plasma atomic emission spectrometric method (USD) via email in 1-3 business day VALID
YS/T 281.14-2011 Methods for chemical analysis of cobalt- Part 14:Determination of carbon content-Infra-red absorption method after high frequency induction furnace combustion (USD) via email in 1-3 business day VALID
GB 6520.8-1986 (USD) via email in 1-3 business day ABOLISHED
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