The catalyst prepared by the method has the advantages of uniform dispersion of metals, high use performance, and particularly higher activity for deep impurity removal process of hydrocarbon.
本发明方法制备的催化剂金属分散均匀，使用性能高，特别是对于烃类深度脱杂质过程的活性更高。
It was decribed in details in this paper the application of various kinds of chelating reagents in the determination of trace metals by HPLC(High performance Liquid Chromatography).
介绍不同类型螯合试剂在无机金属离子高效液相色谱法中的应用 ，对各种螯合剂的光度分析特性和色谱特性进行了比较 。
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