YS/T 397-2015 Zirconium sponge

YS/T 397-2007 Sponge zirconium

GB/T 2524-2010 Titanium sponge GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 13747.1-1992 Zirconium and zirconium alloys—Determination of tin content 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 13747.2-1992 Zirconium and zirconium alloys—Determination of iron content-1,10-phenanthroline spectrophotometric method GB/T 13747.2-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 2:Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry GB/T 13747.3-1992 Zirconium and zirconium alloys—Determination of nickel content—Dimethylglyoxime spectrophotometric method GB/T 13747.3-2020 Methods for chemical analysis of zirconium and zirconium alloys—Part 3:Determination of nickel content—Dimethyglyoxime spectrophotometry andinductively coupled plasma atomic emission spectrometry GB/T 13747.4-1992 Zirconium and zirconium alloys—Determination of chromium content—Diphenylcarbazide spectrophotometric method GB/T 13747.4-2020 Methods for chemical analysis of zirconium and zirconium alloys—Part 4:Determination of chromium content—Diphenylcarbazide spectrophotometry and inductively coupled plasma atomic emission spectrometry GB/T 13747.5-1992 Zirconium and zirconium alloys—Determination of aluminium content—Chrome azurol S spectrophotometric method GB/T 13747.5-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 5:Determination of aluminium content—Chronic azurol-S-tetradrcylpyridine chloride spectrophotometry GB/T 13747.6-1992 Zirconium and zirconium alloys—Determination of copper content-2,9-dimethyl-1,10-phenanthroline spectrophotometric method GB/T 13747.6-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 6:Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry GB/T 13747.7-1992 Zirconium and zirconium alloys—Determination of manganese content—Patassium periodate spectrophotometric method GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7:Determination of manganese content—Patassium periodate spectrometry andinductively coupled plasma atomic emission spectrometry GB/T 13747.8-1992 Zirconium and zirconium alloys—Determination of cobalt content-1-nitroso-2-hydroxy-3,6-naphthalene-disulfonic acid (sodium salt) spectrophotometric method GB/T 13747.8-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 8:Determination of cobalt content—Nitroso-R-salt spectrophotometry GB/T 13747.9-1992 Zirconium and zirconium alloys—Determination of magesium content—Flame absorption spectrometric method GB/T 13747.9-2022 Methods for chemical analysis of zirconium and zirconium alloys—Part 9:Determination of magnesium content—Flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry GB/T 13747.10-1992 Zirconium and zirconium alloys—Determination of tungsten content—Thiocyanate spectrophotometric method GB/T 13747.10-2022 Methods for chemical analysis of zirconium and zirconium alloys—Part 10:Determination of tungsten content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry GB/T 13747.11-1992 Zirconium and zirconium alloys—Determination of molybdenum content—Thiocyanate spectrophotometric method GB/T 13747.11-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 11:Determination of molybdenum content—Thiocyanate spectrophotometry GB/T 13747.12-1992 Zirconium and zirconium alloys—Determination of silicon content—Molybdenum blue spectrophotometric method GB/T 13747.12-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 12:Determination of silicon content—Molybdenum blue spectrophotometry GB/T 13747.13-1992 Zirconium and zirconium alloys—Determination of lead content—Oscillopolarographic method GB/T 13747.13-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 13:Determination of lead content—Polarography GB/T 13747.14-1992 Zirconium and zirconium alloys—Determination of uranium content—Catalytic-oscillopolarographic method GB/T 13747.14-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 14:Determination of uranium content—Polarography GB/T 13747.15-1992 Zirconium and zirconium alloys—Determination of boron content—Curcumin spectrophotometric 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 13747.16-1992 Zirconium and zirconium alloys—Determination of chloric content—Silver chloride nephelometry method 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 13747.17-1992 Zirconium and zirconium alloys—Determination of cadmium content—Oscillopolarographic method GB/T 13747.17-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 17:Determination of cadmium content—Polarography GB/T 13747.18-1992 Zirconium and zirconium alloys—Determination of vanadium content—N-benzoyl-N-phenylhydroxylamine spectrophotometric method GB/T 13747.18-2022 Methods for chemical analysis of zirconium and zirconium alloys—Part 18:Determination of vanadium content—N-benzoyl-N-phenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry GB/T 13747.19-1992 Zirconium and zirconium alloys—Determination of titanium content—Diantipyrylmethane spectrophotometric method GB/T 13747.19-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 19:Determination of titanium content—Diantipyrylmethane spectrophotometry and the inductively coupled plasma atomic emission spectrometry GB/T 13747.20-1992 Zirconium and zirconium alloys—Determination of hafnium content—Emission spectrographic method 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 GB/T 13747.21-1992 Zirconium and zirconium alloys—Determination of hydrogen content—Vacuum heating chromatographic method GB/T 13747.21-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 21:Determination of hydrogen content—Inert gas fusion-infrared absorption or thermal conductivity method GB/T 13747.22-1992 Zirconium and zirconium alloys—Determination of oxygen content—Inert gas fusion coulometric method GB/T 13747.22-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 22:Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method GB/T 13747.23-1992 Zirconium and zirconium alloys—Determination of nitrogen content—Distillation-nessler reagent spectro-photometric method GB/T 13747.24-1992 Zirconium and zirconium alloys—Determination of carbon content—Combustion coulometric method 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 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 GB/T 13747.26-2022 Methods for chemical analysis of zirconium and zirconium alloys—Part 26:Determination of alloying and impurity elements content—Inductively coupled plasma atomic emission spectrometry GB/T 13747.27-2020 Methods for chemical analysis of zirconium and zirconium alloys—Part 27:Determination of trace impurities content—Inductively coupled plasma mass spectrometry