A method for the determination of Pd and pt in catalyst by graphite furnace atomic absorption spectrometry is introduced, sulfhydryl cotton column is used to separate interferential elements.
介绍应用石墨炉原子吸收法测定催化剂中钯和铂的分析方法，及可将干扰元素去除的巯基棉柱分离法。
In esterification reaction, the influences of catalyst amount, materials ratio, reaction time, prepared method of the expandable graphite on esterification reaction were discussed.
在酯化反应中，催化剂用量，原料配比，反应时间对酯化反应的可膨胀石墨的制备方法的影响进行了讨论。
It was testified that expandable graphite was a kind of effective catalyst in the esterification of acetic acid with isoamyl alcohol.
有人作证说，膨胀石墨是一种有效的催化剂在乙酸与异戊醇的酯化反应。
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