A village in Bohemia (also Sedlitz). Seidlitz powders, effervescing
salts, consisting of forty grains of sodium bicarbonate, two drachms of
Rochell salt (tartrate of potassium and sodium) and thirty-five grains
of tartaric acid. The powders are mixed in water, and drunk while
effervescing, as a mild cathartic; the result resembles the natural
water of Seidlitz. Also Rochelle powders.