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GB/T 4325.24-2013 Method for chemical analysis of molybdenum—Part 24:Determination of tungsten content—Inductively coupled plasma atomic emission spectrometry (USD) via email in 1-3 business day VALID
GB/T 3462-1982 Bars and plate blanks of molybdenum (USD) via email in 1-3 business day ABOLISHED
GB/T 4324.5-2012 Methods for chemical analysis of tungsten - Part 5: Determination of arsenic content - Hydrogenate atomic absorption spectrometry (USD) via email in 1-3 business day VALID
GB/T 4324.4-2012 Methods for chemical analysis of tungsten - Part 4: Determination of antimony content - Hydrogenate atomic absorption spectrometry (USD) via email in 1-3 business day VALID
GB/T 13747.24-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 24:Determination of carbon content—Infrared absorption method after high frequency combustion (USD) via email in 1-3 business day VALID
GB/T 6150.8-2009 Methods for chemical analysis of tungsten concentrates—Determination of molybdenum content—The thiocyanate spectrophotometry (USD) via email in 1-3 business day VALID
GB/T 14592-2014 Molybdenum discs (USD) via email in 1-3 business day VALID
YS/T 568.7-2008 Chemical analysis methods for zirconium oxide and hafnium oxide-Determination of phosphorus content-The antimony-ascorbic acid-molybdenum blue spectrophotometric method (USD) via email in 1-3 business day VALID
GB/T 14841-2008 Tantalum and tantalum alloy rods (USD) via email in 1-3 business day VALID
GB/T 13747.1-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 1:Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry (USD) via email in 1-3 business day VALID
GB/T 3875-2017 Tungsten sheet (USD) via email in 1-3 business day VALID
YS/T 660-2007 Designation and composition of molybdenum and molybdenum alloy wrought product (USD) via email in 1-3 business day VALID
GB/T 4324.23-2012 Methods for chemical analysis of tungsten - Part 23: Determination of sulfur content - The combustion-conductometric titration and high frequency combustion-infrared absorption method (USD) via email in 1-3 business day VALID
GB/T 10116-2007 Ammonium paratungstate (USD) via email in 1-3 business day VALID
GB/T 4325.5-2013 Methods for chemical analysis of molybdenum—Part 5:Determination of antimony content—Atomic fluorescence spectrometry (USD) via email in 1-3 business day VALID
GB/T 24484-2009 Sampling and preparation of the ferromolybdenum samples (USD) via email in 1-3 business day VALID
YS/T 547-2006 High-pure tantalum pentoxide (USD) via email in 1-3 business day ABOLISHED
GB/T 31908-2015 Tungsten electrodes for arc welding and plasma welding and cutting (USD) via email in 1-3 business day VALID
YS/T 568.11-2008 Chemical analysis methods for zirconium oxide and hafnium oxide-Determination of nickle content-α-Furil dioxime spectrophotometric method (USD) via email in 1-3 business day VALID
GB/T 6150.13-2008 Methods for chemical analysis of tungsten concentrates—Determination of arsenic content—Hydride reduction atomic absorption spectrometry and the silver diethyldithiocarbamate(DDTC-Ag) photometry (USD) via email in 1-3 business day VALID
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