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利用还原磷钼酸而得钼蓝来比色测定磷的方法很多,主要不同处,在于钼酸盐的比例,磷钼酸生成时酸度的情况,以及所用的各种还原剂和比色的方法。
There are many ways to determine phosphorus by colorimetric determination of molybdenum blue by reducing phosphomolybdic acid. The main differences lie in the proportion of molybdate, the acidity when phosphomolybdic acid is generated, and the various reducing agents and colorimetric methods used .