A new method was developed for the determination of reactive silica based on the system of methylene blue (MB)-molybdosilicate (SiMo)-polyglycol octylphenyl ether(OP).

• 本文建立了亚甲基蓝（MB）-硅钼杂多酸（SiMo）-聚乙二醇辛基苯基醚（OP）显色体系测定痕量活性二氧化硅的新方法。