The method Taking thymol blue as the indicateis quicker,more accurate than barium chloride method,double color indicator method and coefficientrect method.

• 以百里酚兰为指示剂；分析可溶性硅酸盐体系中混合碱的方法；较之氯化钡法；双指示剂法及系数校正法快速、准确；相对误差在0.；2%25以下。