Sodium 2-formylbenzenesulfonate was prepared from 2-chlorotoluene by photo-chlorination, hydrolysis and substitution reactions successively. Factors affecting the yields were discussed.
本文报道了以邻氯甲苯为原料，经光氯化、水解、取代三步合成2-甲酰基苯磺酸钠的方法，并对影响反应收率的因素进行了讨论。
This article describes the improvement on the TMP sodium hyposulphite bleaching system and analyzes the factors affecting bleaching effect.
介绍了TMP连二亚硫酸钠漂白系统的改进，对影响漂白效果的因素进行了分析。
OBJECTIVE: to make diclofenac sodium (DCF) hydrophilic matrix tablets and examine the factors affecting their dissolution rates.
目的：制备双氯芬酸钠(DCF)亲水凝胶骨架片，并对其释药影响因素进行了研究。
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