Potentiometric Determination of Chlorate Impurities in Hypochlorite Solutions

Table 1

Determination of sodium chlorate in the presence of potassium bromide (N = 5 is the number of titrations of the same sample and P = 0.95 is the confidence interval).

C(NaClO3), mg/L		, %
Standard solution	Results of titration
30,0	29,0±3,1	12,2
60,0	59,2±3,8	7,3
120,0	118,0±5,5	5,3