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用磷钼杂酸还原比色法测定了福司福沙于３６、４５和６０℃下，在离子强度μ为０．１５、ｐＨ１～１１的缓冲液中的水解速度。结果表明，水解符合一级动力学，在ｐＨ５左右水解最快，在强酸或强碱条件下反而水解最慢。
The rate of hydrolysis of forssafe in buffer solutions with ionic strength μ of 0.15 and pH 1-11 at 36, 45 and 60 ° C was determined by the phosphomolybdic acid reduction colorimetric method. The results showed that the hydrolysis was in accordance with the first-order kinetics, the fastest hydrolysis was at pH5, but the slowest hydrolysis was on the contrary under strong acid or alkali conditions.