The multiple aldehyde acids were used to decrease the chrome content of the tannery wastewater in chrome tanning process.

Polyphenols-formaldehyde resin, a new thermosetting adhesive, is developed by Guizhou Research institute of Chemical industry, its analytical method for free phenol and aldehyde is discussed in the article.

DP finish of cotton fabric with polycarboxylic acid and chitosan mixture;

Synthesis of polycarboxylic acid anti-wrinkle finishing agent DEMA;

Synthesis of polymeric polycarboxylic acid finishing agent and its use for easy-care finishing of flax textiles;

Cluster analysis of polybasic acids and higher fatty acids in flue-cured tobacco leaves in Yunnan and overseas;

Objective To analyze polybasic acids and higher fatty acids of Rosa roxburghii Tratt fruit.

A new method for the total analysis of the polybasic acids and higher fatty acids in hawthorn fruit by gaschromatography-mass spectrometry(GC-MS)was developed.