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GB/T 8762.1-1988 Yttrium oxide and europium oxide of phosphor grade-Determination of total rare earth oxide content-EDTA volumetric method (USD) via email in 1-3 business day ABOLISHED
YS/T 574.5-2006 Chemical analysis of zirconium powder for electro-vacuum uses The atomic absorption spectrophotometric method for determination of calcium and magnesium (USD) via email in 1-3 business day ABOLISHED
GB/T 16484.4-1996 Methods for chemical analysis of rare earth chloride and carbonate——Determination of thorium oxide content via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 276.1-1994 via email in ABOLISHED please email coc@codeofchina.com for quotation
YS/T 555.3-2009 Methods for chemical analysis of molybdenum concentrate—Determination of arsenic content—Atomic fluorescence spectrometry (USD) via email in 1-3 business day VALID
XB/T 601.1-2008 Chemical analysis methods of lanthanum boride determination of boron content acid alkali titration method (USD) via email in 1-3 business day VALID
YS/T 514.2-2009 Methods for chemical analysis of high titanium slag and rutile—Part 2:Determination of total iron content—Potassium dichromate titration (USD) via email in 1-3 business day VALID
GB/T 13747.7-1992 Zirconium and zirconium alloys-Determination of manganese content-Patassium periodate spectrophotometric method (USD) via email in 1-3 business day VALID
GB/T 14634.6-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 6:Determination of specific surface area (USD) via email in 1-3 business day VALID
GB/T 4325.6-1984 Methods for chemical analysis of molybdenum;The ortho-phenanthroline photometric method for the determination of iron content (USD) via email in 1-3 business day ABOLISHED
GB/T 14634.1-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 1:Determination of relative brightness (USD) via email in 1-3 business day VALID
GB/T 12690.1-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 1:Determination of carbon and sulfur contents—High frequency-infrared absorption method (USD) via email in 1-3 business day VALID
GB/T 14352.9-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of totol sulfur content. Iodometric method after combustion (USD) via email in 1-3 business day ABOLISHED
GB/T18115.6-2000 Lanthanum oxide-Determination of cerium oxide,..... (USD) via email in 1-3 business day ABOLISHED
GB/T 8638.8-1988 Nickel base alloy powder; Determination of copper content; Neocuproine-chloroform extraction spectrophotometric method (USD) via email in 1-3 business day ABOLISHED
YS/T 514.8-2009 Methods for chemical analysis of high titanium slag and rutile—Part 8:Determination of phosphorus content—Antimony molybdenum blue spectrophotometry (USD) via email in 1-3 business day VALID
GB/T 18114.1-2010 Chemical analysis methods of rare earth concentrates—Part 1:Determination of total rare earth oxide contents—Gravimetry (USD) via email in 1-3 business day VALID
XB/T 610.3-2007 Chemical analysis methods for samarium cobalt permanent magnet alloy powder Determination of oxygen content Impulse-infrared absorption method via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 4324.3-1984 Methods for chemical analysis of tungsten;The polyethylene glycol octyl phenyl ether-phenylfluorone photometric method for the determination of tin content (USD) via email in 1-3 business day ABOLISHED
GB/T 13747.16-1992 Zirconium and zirconium alloys-Determination of chloric content-Silver chlorode nephrelometry method (USD) via email in 1-3 business day ABOLISHED
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