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GB/T 23610-2009 Pt77Co alloy plate (USD) via email in 1-3 business day VALID
GB/T 17803-2015 Designation system for rare earth products (USD) via email in 1-3 business day VALID
GB/T 23522-2009E Germanium renewable raw materials (USD) via email in 1-3 business day VALID
GB/T 20931.11-2007 Methods for chemical analysis of lithium—Determination of magnesium content—Flame atomic absorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 16484.23-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate—Part 23:Determination of acid insoluble substance in light rare earth carbonate—Gravimetry (USD) via email in 1-3 business day VALID
YS/T 923.1-2013 Methods for chemical analysis of high purity bismuth―Part 1:Determination of copper,lead,zinc,iron,silver,arsenic,tin,cadmium,magnesium,chromium,aluminum,gold and nickel content―Inductively coupled plasma-mass spectrum method (USD) via email in 1 business day VALID
YS/T 240.11-2007 Methods for chemical analysis of bismuth concentrate-Determination of silver content-Flame atomic absorption spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 3260.9-2000 Methods for chemical analysis of tin-Determination of lead ,copper and zine content (USD) via email in 1-3 business day ABOLISHED
GB/T 4325.19-2013 Methods for chemical analysis of molybdenum—Part 19:Determination of chromium content—Diphenylcarbazide spectrophotometry (USD) via email in 1-3 business day VALID
GB/T 17684-2008 Terminology for precious metals and their alloys (USD) via email in 1-3 business day VALID
GB/T 4103.10-2000 Methods for chemical analysis of lead and lead alloys Determination of silver content (USD) via email in 1-3 business day ABOLISHED
GB/T 16484.10-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate—Part 10:Determination of manganese oxide content—Flame atomic absorption spectrometry (USD) via email in 1-3 business day VALID
GB/T 12690.9-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of chlorine content—Silver nitrate turbidimetric method (USD) via email in 1-3 business day VALID
GB/T 24982-2010 Rare earth yellow phosphor for white LED lamps (USD) via email in 1-3 business day VALID
GB/T 14634.3-2002 Test methods of rare earth three-band phosphors for fluorescent lamps-Determination of thermostability via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 226.12-2009 Methods for chemical analysis of selenium—Part 12:Determination of selenium content—Sodium thiosulphate titrimetric method (USD) via email in 1-3 business day VALID
YS/T 668-2008 The sampling method of physical and chemical testing for copper and copper alloys (USD) via email in 1-3 business day VALID
YS/T 605-2006 Dielectric paste (USD) via email in 1-3 business day VALID
GB/T 20167-2006 Physical test method of rare earth polishing powder Determination of burnishing mass Gravimetric analysis method (USD) via email in 1-3 business day ABOLISHED
YS/T 227.3-2010 Methods for chemical analysis of bismuth—Part 3:Determination of lead content—Flame atomic absorption spectrometry (USD) via email in 1-3 business day VALID
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