This standard specifies the method for the determination of vanadium content in zirconium and zirconium alloys. This standard applies to the determination of vanadium content in zirconium and zirconium alloys. Measuring range: 0.0020% to 0.020%.
GB/T 13747.18-1992 history
2022GB/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 emiss
1992GB/T 13747.18-1992 Zirconium and zirconium alloys--Determination of vanadium content--N-benzoyl-N-phenylhydroxylamine spectrophotometric method