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GB/T 26314-2010 Designation and composition of zirconium and zirconium alloys 120 (USD) via email in 1-3 business day VALID
GB/T 13747.20-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 20:Determination of hafnium content—Inductively coupled plasma atomic emission spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 3463-1982 Tantalum wires for anode leads in capacitors 105 (USD) via email in 1-3 business day ABOLISHED
QB 729-1979 90 (USD) via email in 1-3 business day ABOLISHED
GB 3628-1983 Tantalum foil for condensers 260 (USD) via email in 1 business day VALID
YS/T 579-2006 Vanadium-Aluminum master alloy 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 3457-1998 Tungstic oxide via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 6150.14-2008 Methods for chemical analysis of tungsten concentrates - Determination of manganese content - The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method 120 (USD) via email in 1-3 business day VALID
GB/T 4325.21-2013 Methods for chemical analysis of molybdenum—Part 21:Determination of carbon content and sulfur content—High frequency combustion-infrared absorption method 120 (USD) via email in 1-3 business day VALID
GB/T 37204-2018 Electrolyte for vanadium flow battery 240 (USD) via email in 1-3 business day VALID
GB/T 6150.2-2008 Methods for chemical analysis of tungsten concentrates—Determination of tin content—The potassium iodate volumetry and hydrogenate atomic absorption spectrometry 120 (USD) via email in 1-3 business day VALID
GB/T 8769-1988 Zirconium and zirconium alloy bars and wires for nuclear application 90 (USD) via email in 1-3 business day ABOLISHED
GB/T 4187-1984 Tungsten rods 45 (USD) via email in 1-3 business day ABOLISHED
GB/T 4324.13-2008 Methods for chemical analysis of tungsten - Determination of calcium content - The inductively coupled plasma atomic emission spectrometry via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 3629-2006 Tantalum and tantalum alloy sheet,strip and foil via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 8183-1987 Niobium seamless tubes 60 (USD) via email in 1-3 business day ABOLISHED
YS/T 1021-2015 Potassium metavanadate 120 (USD) via email in 1-3 business day VALID
YS/T 508-2008 Method for chemical analysis of tungsten-molybdenum alloy The EDTA volumetric method for the determination of molybdenum content 120 (USD) via email in 1-3 business day VALID
GB/T 10116-1988 Ammonium paratungstate via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YS/T 568.8-2008 Chemical analysis methods for zirconium oxide and hafnium oxide-Determination of Al Ca Mg Mn Na Ni Fe Ti Zn Mo V Hf content in zirconium oxide-Inductively coupled plasma atomic emission spectrometry 120 (USD) via email in 1-3 business day VALID
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