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GB/T 13747.19-2017
Methods for chemical analysis of zirconium and zirconium alloys—Part19：Determination of titanium content—Diantipyrylmethane spectrophotometry and the inductively coupled plasma atomic emission spectrometry
GB/T 13747.17-2017
Methods for chemical analysis of zirconium and zirconium alloys—Part 17：Determination of cadmium content—Polarography
GB/T 13747.16-2017
Methods for chemical analysis of zirconium and zirconium alloys—Part 16：Determination of chloric content—Silver chloride nephelometry and ion selective electrode method
GB/T 13747.15-2017
Methods for chemical analysis of zirconium and zirconium alloys—Part 15：Determination of boron content—Curcumin spectrophotometry
GB/T 13747.14-2017
Methods for chemical analysis of zirconium and zirconium alloys—Part 14：Determination of uranium content—Polarography
GB/T 13747.13-2017
Methods for chemical analysis of zirconium and zirconium alloys—Part 13: Determination of lead content—Polarography
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
GB/T 13747.11-2017
Methods for chemical analysis of zirconium and zirconium alloys—Part 11: Determination of molybdenum content—Thiocyanate spectrophotometry
GB/T 33913.2-2017
Method for chemical analysis of tris(triphenylphosphine) rhodium(I) chloride—Part 2：The determination of lead，iron，copper，palladium，platinum，aluminium，nickel，magnesium，zinc content—Inductively coupled plasma atomic emission spectrometry
GB/T 33913.1-2017
Method for chemical analysis of tris(triphenylphosphine) rhodium(I) chloride—Part 1：The determination of rhodium content—Inductively coupled plasma atomic emission spectrometry
GB/T 33909-2017
Methods for chemical analysis of platinum—Determination of palladium，rhodium，iridium，ruthenium，gold，silver，aluminium，bismuth，chromium，copper，iron，nickel，lead，magnesium，manganese，tin，zinc，silicon content—Inductively coupled plasma mass spectrometry
GB/T 33817-2017
Method for determination of the carbon content on the inner surface of copper and copper-alloy tube
GB/T 32840-2016
Gold ores
GB/T 32841-2016
Gold lump ores一Increment sampling and sample preparation
GB/T 5240-2015
Neodymium oxide
GB/T 5239-2015
Praseodymium oxide
GB/T 4154-2015
Lanthanum oxide
GB/T 4148-2015
Rare earth chloride
GB/T 4138-2015
Rare earth ferrosilicon magnesium alloy
GB/T 4137-2015
Rare earth ferrosilicon alloy