GB/T 13747.22-2017
ActiveMethods for chemical analysis of zirconium and zirconium alloys—Part 22:Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method
锆及锆合金化学分析方法 第22部分:氧量和氮量的测定 惰气熔融红外吸收法/热导法