Hydrolysis of methyl formate to form formic acid was studied experimentally by using strong-acid cation-exchange resin as catalyst and packing in a catalytic distillation column.

在催化精馏塔内以压制的强酸性阳离子交换树脂为催化剂填料对甲酸甲酯水解制甲酸进行了实验研究。

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The test method for determining residual vinyl chloride monomer content in parts per billion level in PVC resin by capillary column gas chromatography headspace technique is suggested.

提出用大口径毛细管顶空进样气相色谱法对聚氯乙烯树脂中十亿分之一级残留氯乙烯含量的测量方法。

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The petroleum carboxylic acids in two distillates of North Sea crude oil were separated by the extraction with column chromatogram and anion exchange resin.

采用柱色谱和阴离子交换树脂法分离出两种北海高酸馏分油中的羧酸。

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