pyridine acid

Controlled current oscillographic potentiometric titration of very weak bases ( NaAc, aniline, hexamethylenetetramine, pyridine) in concentrated salt solutions with hydrochloric acid was studied.

本文研究了浓盐溶液中极弱碱（NaAc、苯胺、六次甲基四胺、吡啶）的控制电流示波电位滴定。

Urine-Determination of thiocyanate-Pyridine － barbituric acid spectrophotometric method.

尿中硫氰酸盐的吡啶-巴比妥酸分光光度测定方法.

This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.

该方法使用带有二烷基咪唑盐 、 烷基吡啶盐或者己内酰胺和脂肪酸作为反应物.

Pyridine and pyridine production base is also a feed additive main raw material for nicotinic acid.

吡啶和吡啶碱也是生产饲料添加剂烟酸的主要原料.

Then the template substrate reaction with different boric acid, boric acid and ester reaction of pyridine, the corresponding yield obtained to study the law.

以此优化的条件为前提，再将该模板反应的底物与不同的硼酸，吡啶硼酸和酯反应，得出相应的产率，研究其规律。