氢溴酸

What are the chemical reaction characteristics of tropane alkaloids?

溴酸东莨菪碱的鉴别理是什么？

Objective To investigate the composition and preparation method of galanthamine hydrobromide dispersion tablets.

目的研究溴酸加兰他敏分散片的处方组成及制备工艺。

Ethyl lauryl alcohol respectively react with hydrobromic acid to product bromohydrocarbon,sulfuric acid for catalyst。

以正十二溴酸,在硫酸的催化下,生产溴十二烷。

Bromooctane was synthesized from industrial hydrobromic acid(48%) and n-octanol using concentrated sulfuric acid as catalyst.

以工业废溴酸(48%),在硫酸存在下,与正辛进行反应合成1-溴辛烷。

Using 2-acetyl benzimidazole and sodium bromide as raw material,2-(dibromine acetyl)-benzimidazole hydrobromate was synthesized with the new bromine that displaced by chlorine gas in light.

以2-乙酰基苯并咪唑溴化钠,在光照条件下用氯气置换出溴化钠中的溴素,合成兽药噻苯咪唑中间体-2-(二溴乙酰基)-苯并咪唑溴酸盐。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中溴酸美沙芬、愈创木酚甘油醚马来酸氯苯那敏含量的方法。