用脉冲—色谱法测定腐蚀后钢中含氢量

用脉冲—色谱法测定腐蚀后钢中含氢量 THE DETERMINATION OF HYDROGEN IN CORRODED STEEL BY NCFGC METHOD 陶映初 first-author 姚禄安 吕德义 普燕平 卢机灵 <正> 随着氢脆问题的深入研究[1-2],要求人们准确地测定金属中的含氢量,并探明其确切的存在形式。这样,才有可能深入地揭示氢在金属中发生破坏的内在规律性,从而搞清金属性能与氢含量之间的关系,以便建立一个能客观描绘金属一氢的模型。该模型对探讨钢铁氢脆与金属腐蚀机埋,对丰富与完善氢扩散动力学与位错理论,对寻找与开发新型材质（包括未来能源——氢能体系的储氢材料）等方面无疑将起重要的作用[3]。目前,测定金属中含氢量的方法较多[4],其中惰性气氛脉冲熔融——气相色谱法较为普遍。我们选用MCS—805脉冲炉与SP—2304A型气相色谱仪组装成定氢仪,摸索了脉冲 A Self-made equipment for determination of the amouut of hydrogen in Steel has been described. The contents of hydrogen in 08F and No. 20 mild Carbon Steel Corroded with Various Concentrations Hcl Solution Containing thiourea or SH—707 inhibitor have been determined by nitrogen Carrier fusion—gaschromatography （NCFGC） method. During Corroding of No. 20 Steel, the Content of absorption hydrogen is 30—50% lower in 5% or 10%Hcl Solution Containig 0.05% SH—707 inhibitor than no inhibitor. In addition the influences of experimental Conditions On determining results have been discussed. 1984-04-01 2021-04-01 4