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GB/T 4324.24-2012 Methods for chemical analysis of tungsten - Part 24: Determination of phosphorus content - Molybdemum blue photometry 180 (USD) via email in 1-3 business day VALID
GB/T 4325.9-2013 Methods for chemical analysis of molybdenum—Part 9:Determination of nickel content—Dimethylglyoxime spectrophotometry and flame atomic absorption spectrometry 180 (USD) via email in 1-3 business day VALID
GB/T 4324.21-2012 Methods for chemical analysis of tungsten - Part 21: Determination of chromium content - Inductively coupled plasma atomic emission spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 3630-2017 Niobium sheet, strip and foil 160 (USD) via email in 1 business day VALID
GB/T 4325.13-2013 Methods for chemical analysis of molybdenum—Part 13:Determination of calcium content—Flame atomic absorption spectrometry via email in VALID please email coc@codeofchina.com for quotation
GB/T 4325.7-2013 Methods for chemical analysis of molybdenum—Part 7:Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry 180 (USD) via email in 1-3 business day VALID
GB/T 13747.14-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 14:Determination of uranium content—Polarography 120 (USD) via email in 1-3 business day VALID
YS/T 524-2011 Synthetic scheelite 120 (USD) via email in 1-3 business day VALID
GB/T 4310-2016 Vanadium 120 (USD) via email in 1-3 business day VALID
GB/T 4325.11-2013 Methods for chemical analysis of molybdenum—Part 11:Determination of aluminum content—Chromazurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry 180 (USD) via email in 1-3 business day VALID
GB/T 4324.7-2012 Methods for chemical analysis of tungsten - Part 7: Determination of cobalt content - Inductively coupled plasma atomic emission spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 4325.14-2013 Methods for chemical analysis of molybdenum—Part 14:Determination of magnesium content—Flame atomic absorption spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 13747.25-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 25:Determination of niobium content—2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry 180 (USD) via email in 1-3 business day VALID
GB/T 27688-2011 Scraps of niobium and niobium alloy 180 (USD) via email in 1-3 business day VALID
GB/T 4324.6-2012 Methods for chemical analysis of tungsten - Part 6: Determination of iron content-1,10-phenanthroline spectrophotometry 120 (USD) via email in 1-3 business day VALID
YS/T 827-2012 Tantalum ingot 120 (USD) via email in 1-3 business day VALID
GB/T 4325.12-2013 Methods for chemical analysis of molybdenum—Part 12:Determination of silicon content—Inductively coupled plasma atomic emission spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 26023-2010 High precision tungsten plate of resisting ray 180 (USD) via email in 1-3 business day VALID
GB/T 4183-1984 Molybdenum tungsten alloy wires 75 (USD) via email in 1-3 business day ABOLISHED
GB/T 21183-2017 Zirconium and zirconium alloy sheet,strip and foil 240 (USD) via email in 1-3 business day VALID
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