3,4,5-三甲氧基苯胺的合成

以没食子酸为原料,经甲基化、硝化、还原等反应,合成了标题化合物,总收率44.9%。

Synthesis of 1-(5-nitro-3-benzopseudothiazolyl)-3-(4-phenylazophenyl)-triazene and Its Color Reaction with Cobalt

A new chromogenic reagent, 1 -（5 - nitro- 3 - benzopsendothiazde）- 3 -（4 - phenylazophenyl） - triazene （NBPTPAPT） has been synthesized and used as a sensitive reagent for the spectrophotometric determination of cobalt. In the presence of Tween - 80, the reagent with Co （ Ⅱ ） forms a yellow complex （1 ： 2） in the buffer solution of Na2B4O7 - NaOH at pH 10.54. The apparent molar absorptivity is 1.220× 10^5 L· mol^- 1· cm^- 1 with the linear range of 0 - 240μg/ L for Co （Ⅱ） by dual-wavelength spectrophotometry. Trace cobalt in vitamin B12 and tea samples has been determined with satisfactory results.

气流粉碎分级制备超细火炸药的实验研究

通过对“CP”系列气流粉碎分级机的改进，制备出了火炸药1-3-5-三氨基-2-4-6-三硝基苯(TATB)的亚微米级超细颗粒，并对超细火炸药粉体进行了粒度测试。