vegetable tannin

Meanwhile, the modification approaches of vegetable tannin extracts for the purpose of combination tanning are described.

同时, 总结了有利于实施结合鞣的栲胶改性方法.

Tannic acid , a typical vegetable tannin, is a very valuable natural product used for wild fields.

单宁酸属水解类单宁, 是具有重要开发利用价值的天然产物.

Vegetable tannin ( plant polyphenol ), as a complex higher plant secondary metabolite, widely exists in kingdom.

植物单宁 ( 植物多酚 ) 是复杂的较高等植物的次生代谢物, 广泛分布在植物体内.

The result indicates that both NaCl and Na_2SO_4 have a strong salting-out effect on vegetable tannin colloidal solution, especially on the solution of valonea and Larch bark extracts.

结果表明，NaCl和Na2SO4促进栲胶液沉淀的作用都很强，尤以对橡椀和落叶松栲胶的沉淀作用最为突出。

Recent advances of chemistry of vegetable tannins and technique of tannin extract production

植物单宁化学与栲胶生产技术新进展

H_2S Removal from the Coal Gas of Coke oven Plant by PDS+ Vegetable Tannin Extract Method

PDS+栲胶法脱除焦炉煤气的H2S

The theory and method of combination tanning technology by vegetable tannin and mental salt was described.

简要介绍了植物鞣剂与金属盐结合鞣的原理及方法.

Light extract BA is a new kind of vegetable tannin extract.

BA浅色栲胶是广西百色林化总厂在国内首次研发的一种浅颜色的栲胶新产品。

In this paper, combination tannage of vegetable tannin and syntan had been studied.

本文研究植物鞣剂──合成鞣剂结合鞣法.

Their combination with tanning agents Cr, Al, HCHO and vegetable tannin extract was also studied.

同时研究了它们与铬 、 铝 、 甲醛和栲胶等鞣剂的结合稳定性及其产生的助鞣作用.

Combination Tannage of Goat Garment Leather by Vegetable Tannin Extract and Organic Phosphonium

栲胶和有机膦结合鞣制山羊服装革工艺

In China, most vegetable tannin resources and tannin chemicals manufactories are distributed in the west area of the country. In recent 10 years, annual tannin extracts production in China was about 20 000 tons, although the maximum reached 50 000 tons in earlier years.

我国绝大部分植物鞣料资源分布在西部地区，植物单宁化工生产企业也主要集中在西部地区，全国栲胶年总产量最高曾达5万t，但近10年来徘徊在2万t。

Hide powder is an important chemical reagent for determination of tannin content in vegetable tanning materials.

皮粉是分析植物鞣剂中单宁(鞣质)含量所必需的化学试剂.