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GB/T 18114.9-2010 Chemical analysis methods of rare earth concentrates—Part 9:Determination of phosphorus pentoxide content—Phosphorus-bismuth-molybdenum blue spectrophotometry (USD) via email in 1-3 business day VALID
YS/T 861.1-2013 Methods for chemical analysis of niobium-titanium alloy—Part 1:Determination of aluminium、nickel、silicon、iron、chromium、copper and tantalum content—Inductively coupled plasma atomic emission spectrometry (USD) via email in 1-3 business day VALID
GB/T 23368.1-2009 Methods for chemical analysis of ammonium metatungstate - Part 1: Determination of water insoluble content - Gravimetric analysis (USD) via email in 1-3 business day VALID
GB/T 15076.9-2008 Methods for chemical analysis of tantalum and niobium - Determination of iron chromium nickel manganese titanium aluminum copper tin lead and zirconium contents in tantalum (USD) via email in 1-3 business day VALID
YS/T 569.5-2015 Methods for chemical analysis of thallium—Part 5:Determination of cadmium content—Dithizone benzene extraction spectrophotometry (USD) via email in 1-3 business day VALID
YS/T 226.11-2009 Methods for chemical analysis of selenium Part 11:Determination of lead content-Flame atomic absorption spectrometry (USD) via email in 1-3 business day VALID
GB/T 4414-2013 Methods of sampling and sample preparation of tungsten concentrates in bags (USD) via email in 1-3 business day VALID
GB/T 6150.10-2008 Methods for chemical analysis of tungsten concentrates - Determination of lead content - Flame atomic absorption spectrometric method (USD) via email in 1-3 business day VALID
GB/T 15078-2008 Testing method for contact resistance of precious metals electrical contact materials (USD) via email in 1-3 business day VALID
GB/T 23521-2009 Silver and copper alloy bar tube and strip for tantalum capacitors use (USD) via email in 1-3 business day VALID
GB/T 23365-2009 Electrochemical performance test of lithium cobalt oxide - Test method for specific capacity and charge-discharge efficiency of the first cycle (USD) via email in 1-3 business day VALID
GB/T 23595.1-2009 Test methods of rare earth yellow phosphor for white LED lamps - Part 1: Determination of spectrum property (USD) via email in 1-3 business day VALID
YS/T 1075.3-2015 Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys—Part 3:Determination of silicon content—Molydenum blue spectrophotometry (USD) via email in 1-3 business day VALID
XB/T 214-2015 Neodymiun fluoride via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 15072.13-2008 Test method of precious metal alloys - Determination of tin cerium and lanthanium contents for silver alloys - Inductively coupled clasma atomic emission spectrometry (USD) via email in 1-3 business day VALID
GB/T 15677-1995 Lanthanum metal via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 956.2-2014 Chemical analysis method of gold and germanium alloys—Part 2:Ddetermination of germanium content—Potentiometric titration using potassium iodate (USD) via email in 1-3 business day VALID
GB/T 29914-2013 Oxidation catalyst for diesel vehicle exhaust purification (USD) via email in 1-3 business day VALID
XB/T 701-2007 Test methods samarium cobalt permanent magnet alloy powder Determination of particle size Fisher method (USD) via email in 1 business day VALID
GB/T 5124.1-2008 Methods for chemical analysis of hardmetals - Determination of total carbon content - Gravimetric method (USD) via email in 1-3 business day VALID
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