This standard specifies the method for the determination of hydrogen content in zirconium and zirconium alloys. This standard applies to the determination of hydrogen content in zirconium and zirconium alloys. Measuring range: 0.0010% to 0.030%.
GB/T 13747.21-1992 history
2017GB/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
1992GB/T 13747.21-1992 Zirconium and zirconium alloys--Determination of hydrogen content--Vacuum heating gas chromatographic method