GB/T 13747.12-1992 Zirconium and zirconium alloys—Determination of silicon content—Molybdenum blue spectrophotometric method

GB/T 13747.1-1992 Zirconium and zirconium alloys—Determination of tin content GB/T 13747.2-1992 Zirconium and zirconium alloys—Determination of iron content-1,10-phenanthroline spectrophotometric method GB/T 13747.3-1992 Zirconium and zirconium alloys—Determination of nickel content—Dimethylglyoxime spectrophotometric method GB/T 13747.4-1992 Zirconium and zirconium alloys—Determination of chromium content—Diphenylcarbazide spectrophotometric method GB/T 13747.5-1992 Zirconium and zirconium alloys—Determination of aluminium content—Chrome azurol S spectrophotometric method GB/T 13747.6-1992 Zirconium and zirconium alloys—Determination of copper content-2,9-dimethyl-1,10-phenanthroline spectrophotometric method GB/T 13747.7-1992 Zirconium and zirconium alloys—Determination of manganese content—Patassium periodate spectrophotometric method 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 13747.9-1992 Zirconium and zirconium alloys—Determination of magesium content—Flame absorption spectrometric method GB/T 13747.10-1992 Zirconium and zirconium alloys—Determination of tungsten content—Thiocyanate spectrophotometric method GB/T 13747.11-1992 Zirconium and zirconium alloys—Determination of molybdenum content—Thiocyanate spectrophotometric method GB/T 13747.13-1992 Zirconium and zirconium alloys—Determination of lead content—Oscillopolarographic method GB/T 13747.14-1992 Zirconium and zirconium alloys—Determination of uranium content—Catalytic-oscillopolarographic method GB/T 13747.15-1992 Zirconium and zirconium alloys—Determination of boron content—Curcumin spectrophotometric method GB/T 13747.16-1992 Zirconium and zirconium alloys—Determination of chloric content—Silver chloride nephelometry method GB/T 13747.17-1992 Zirconium and zirconium alloys—Determination of cadmium content—Oscillopolarographic method GB/T 13747.18-1992 Zirconium and zirconium alloys—Determination of vanadium content—N-benzoyl-N-phenylhydroxylamine spectrophotometric method GB/T 13747.19-1992 Zirconium and zirconium alloys—Determination of titanium content—Diantipyrylmethane spectrophotometric method GB/T 13747.20-1992 Zirconium and zirconium alloys—Determination of hafnium content—Emission spectrographic method GB/T 13747.21-1992 Zirconium and zirconium alloys—Determination of hydrogen content—Vacuum heating chromatographic method GB/T 13747.22-1992 Zirconium and zirconium alloys—Determination of oxygen content—Inert gas fusion coulometric 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 13747.12-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 12:Determination of silicon content—Molybdenum blue spectrophotometry

GB 1.4 GB/T 1467-2008 Method for chemical analysis of metallurgy product—General rules and regulations GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods