Then-octyl gallate was prepared by esterification of alcohol and gallic acid in catalysis system of dodecyl benzene sulfonic acid.
以十二烷基苯磺酸为催化剂，酸醇直接酯化合成没食子酸正辛酯。
Butyl and octyl alcohol are mainly made by hydrogenating the corresponding aldehyde.
丁辛醇主要由相应的醛加氢制备。
After magnifying the experiment according to industry scale and doing side line experiment on Butyl-octyl alcohol unit in Daqing Petroleum Chemical Engineering Company.
对催化剂进行了工业规模放大实验，还在大庆石化公司的丁辛醇装置上进行了侧线试验。
Using fatty alcohol as starting material, double octyl quaternary ammonium bromide was obtained. It's yield reached 80%.
以脂肪醇为原料，合成了双辛基季铵溴盐，其产率达80%。
A process for preparation of high purity sec-octyl alcohol from low purity product by catalytic hydrogenation is introduced.
介绍了由低纯度仲辛醇催化加氢制备高纯度仲辛醇的工艺。
The dioctyl glutaricate was prepared by esterification of octyl alcohol and glutaric acid separated from dicarboxylic acid in catalysis of sulfuric acid.
以辛醇和从二羧酸中分离出的戊二酸为原料，硫酸为催化剂，酯化合成了戊二酸二辛酯。
There was no significant difference on the permeation of KTP inn-octyl alcohol and n-nonyl alcohol.
正壬醇的累计透过量略小于正辛醇，但两者无显著性差异；
There was no significant difference on the permeation of KTP inn-octyl alcohol and n-nonyl alcohol.
正壬醇的累计透过量略小于正辛醇，但两者无显著性差异；
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