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介绍利用ＰＨ－４０２测氢仪（载气熔融法）分析固态１４２０铝锂合金中氢含量的方法，重点研究了试样的制备、有效地除尽表面氢以及使体内氢充分释放出来同时又避免高挥发性物质锂的影响，建立一套准确测定固态１４２０铝锂合金中氢的方法。
The method of analyzing the hydrogen content in solid state 1420 Al-Li alloy by PH-402 hydrogen analyzer (carrier gas melting method) is introduced. The preparation of the sample is emphatically studied, and the surface hydrogen is effectively removed and the hydrogen in the body is fully released while avoiding The impact of high volatile matter lithium to establish a set of accurate determination of hydrogen in the solid 1420 aluminum lithium alloy method.