The effect of hexadecy pyridine choride on the dissociation constants of thymol blue bromide, cresol red, o-ckesolphthalein and thymol blue, as well as their the colour-changing ranges were studied by spectrophotometry.

• 摘要探讨了表面活性剂氯化十六烷基吡啶形成的胶束对溴百里香酚蓝、甲酚红、邻甲苯酚酞和百里香酚蓝离解反应的离解常数的影响，同时，也研究了该表面活性剂对上述四种酸碱指示剂变色范围的影响。