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1·A evaluation method for the performances and quality of chromatographic grade acetonitrile with ultraviolet spectrophotometry and high performance liquid chromatography is presented.

利用紫外分光光度计和高效液相色谱仪建立了色谱纯乙腈的性能和质量的评价方法。

2·In this paper, the gas chromatographic methods used in the research for selective hydrogenation of cyclopentadiene to produce polymer grade cyclopentene have been described.

本文介绍了环戊二烯选择加氢制聚合级环戊烯研究中的气相色谱分析方法。