Note:  Do not rely on this information. It is very old.

Eau de Javelle

Eau de Javelle, a solution containing the hypochlorite and chloride of potash, which is prepared by passing chlorine into a solution of potash or into lime-water, and the subsequent addition of potassium carbonate. Owing to the chlorine which is evolved on the addition of a weak acid the liquid may be used for bleaching and disinfecting.