This standard specifies the requirements, test methods, inspection rules, signs, packaging, transportation, storage, quality certificates and purchase orders (or contracts) for molybdenum powder. This standard applies to molybdenum powder prepared by hydrogen reduction of molybdenum oxide or ammonium molybdate.
GB/T 3461-2016 Referenced Document
GB/T 1479.2 Metallic powders—Determination of apparent density—Part 2:Scott volumeter method
GB/T 3249 Test method for Fisher number of metal powders and related compounds*， 2022-03-09 Update
GB/T 4325.1 Methods for chemical analysis of molybdenum.Part 1:Determination of lead content.Graphite furnace atomic absorption spectrometry
GB/T 4325.10 Methods for chemical analysis of molybdenum.Part 10:Determination of copper content.Flame atomic absorption spectrometry
GB/T 4325.11 Methods for chemical analysis of molybdenum.Part 11:Determination of aluminum content.Chromazurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 4325.12 Methods for chemical analysis of molybdenum.Part 12:Determination of silicon content.Inductively coupled plasma atomic emission spectrometry
GB/T 4325.13 Methods for chemical analysis of molybdenum.Part 13:Determination of calcium content.Flame atomic absorption spectrometry
GB/T 4325.14 Methods for chemical analysis of molybdenum.Part 14:Determination of magnesium content.Flame atomic absorption spectrometry
GB/T 4325.15 Methods for chemical analysis of molybdenum.Part 15:Determination of sodium content.Flame atomic absorption spectrometry
GB/T 4325.16 Methods for chemical analysis of molybdenum.Part 16:Determination of potassium content.Flame atomic absorption spectrometry
GB/T 4325.17 Methods for chemical analysis of molybdenum.Part 17:Determination of titanium content.Diantipyrylmethane spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 4325.18 Methods for chemical analysis of molybdenum.Part 18:Determination of vanadium content.N-benzoyl-N-phenylhydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 4325.19 Methods for chemical analysis of molybdenum.Part 19:Determination of chromium content.Diphenylcarbazide spectrophotometry
GB/T 4325.2 Methods for chemical analysis of molybdenum.Part 2:Determination of cadmium content.Flame atomic absorption spectrometry
GB/T 4325.20 Methods for chemical analysis of molybdenum.Part 20:Determination of manganese content.Flame atomic absorption spectrometry
GB/T 4325.21 Methods for chemical analysis of molybdenum.Part 21:Determination of carbon content and sulfur content.High frequency combustion-infrared absorption method
GB/T 4325.22 Methods for chemical analysis of molybdenum.Part 22:Determination of phosphorus content.Molybdenum blue spectrophotometry
GB/T 4325.23 Methods for chemical analysis of molybdenum.Part 23:Determination of oxygen and nitrogen contents.Inert gas fusion-infrared absorption and thermal conductivity method
GB/T 4325.24 Method for chemical analysis of molybdenum.Part 24:Determination of tungsten content.Inductively coupled plasma atomic emission spectrometry
GB/T 4325.25 Methods for chemical analysis of molybdenum.Part 25:Determination of hydrogen content.Inert gas fusion infrared absorption method/thermal conductivity method
GB/T 4325.26 Methods for chemical analysis of molybdenum.Part 26:Determination of aluminium,magnesium,calcium,vanadium,chromium, manganese,iron,cobalt,nickel, copper,zinc,arsenic,cadmium, tin,antimony,tungsten, lead and bismuth contents.Inductively coupled plasma mass
GB/T 4325.27 Methods for chemical analysis of molybdenum--The combustion-coulometric titration method for the determination of carbon content
GB/T 4325.28 Methods for chemical analysis of molybdenum--The tetraphenyl arsonium chloride hydrochloride-thiocyanate photometric method for the determination of tungsten content
GB/T 4325.3 Methods for chemical analysis of molybdenum.Part 3:Determination of bismuth content.Atomic fluorescence spectrometry
GB/T 4325.4 Methods for chemical analysis of molybdenum.Part 4:Determination of tin content.Atomic fluorescence spectrometry
GB/T 4325.5 Methods for chemical analysis of molybdenum.Part 5:Determination of antimony content.Atomic fluorescence spectrometry
GB/T 4325.6 Methods for chemical analysis of molybdenum.Part 6:Determination of arsenic content.Atomic fluorescence spectrometry
GB/T 4325.7 Methods for chemical analysis of molybdenum.Part 7:Determination of iron content.1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 4325.8 Methods for chemical analysis of molybdenum.Part 8:Determination of cobalt content.5-CI-PADAB spectrophotometry and flame atomic absorption spectrometry
GB/T 4325.9 Methods for chemical analysis of molybdenum.Part 9:Determination of nickel content.Dimethylglyoxime spectrophotometry and flame atomic absorption spectrometry
GB/T 5314 Powders for powder metallurgical purposes.Sampling