GB/T 13747.15-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 15:Determination of boron content—Curcumin spectrophotometry (English Version)
2017GB/T 13747.15-2017 Methods for chemical analysis of zirconium and zirconium alloys—Part 15:Determination of boron content—Curcumin spectrophotometry
1992GB/T 13747.15-1992 Zirconium and zirconium alloys--Determination of boron content--Curcumin spectrophotometric method