he principle and optional conditions of inert gas fusion (impulse heating) method for determination of hydrogen with Sn-flux are described. The results show that the method for determinating hydrogen in Ti. Zr. Hf. Ta. Nb and their alloys is accurate. The POwer for analysing are 2500W for Ti. Zr and Hf and 2700-2800W for Ta and Nb. The heating-times are 30s for Ti. Zr and Hf and 40s for Ta and Nb, respectively.
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張之翔.稀有難熔金屬中氫的測定[J].稀有金屬材料與工程,1995,(2):60~65.[Zhang Zhixiang. Determination of Hydrogen in Rare and Refractory Metals[J]. Rare Metal Materials and Engineering,1995,(2):60~65.] DOI：[doi]