译：GB/T 13747.4-1992 Zirconium and zirconium alloys—Determination of chromium content—Diphenylcarbazide spectrophotometric method

译：GB/T 13747.3-1992 Zirconium and zirconium alloys—Determination of nickel content—Dimethylglyoxime spectrophotometric method

译：GB/T 13747.2-1992 Zirconium and zirconium alloys—Determination of iron content-1,10-phenanthroline spectrophotometric method

译：GB/T 13747.7-1992 Zirconium and zirconium alloys—Determination of manganese content—Patassium periodate spectrophotometric method

译：GB/T 13747.23-1992 Zirconium and zirconium alloys—Determination of nitrogen content—Distillation-nessler reagent spectro-photometric method

译：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

译：GB/T 13747.5-1992 Zirconium and zirconium alloys—Determination of aluminium content—Chrome azurol S spectrophotometric method

译：GB/T 13747.6-1992 Zirconium and zirconium alloys—Determination of copper content-2,9-dimethyl-1,10-phenanthroline spectrophotometric method

译：GB/T 13747.24-1992 Zirconium and zirconium alloys—Determination of carbon content—Combustion coulometric method

译：GB/T 13747.9-1992 Zirconium and zirconium alloys—Determination of magesium content—Flame absorption spectrometric method