ABSTRACT

A great improvement in the bleaching process resulted from the 1792 commercial introduction in France of "eau de Javel," produced by Berthollet's method of absorbing Cl2 in weak KOH solutions. Although present in only small amounts in the alkaline so-

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lutions (see Sec. III), HCIO is the principal bleaching agent; as it is consumed, it is continually regenerated by hydrolysis of CIO-as long as the latter is present.