ROCHELLE n.
A seaport town in France. Rochelle powders. Same as Seidlitz powders. -- Rochelle salt (Chem.), the double tartrate of sodium and potassium, a white crystalline substance. It has a cooling, saline, slightly bitter taste and is employed as a mild purgative. It was discovered by Seignette, an apothecary of Rochelle, and…
SAL n.
ve salt, or boric acid. -- Sal Seignette Etym: [F. seignette, sel de seignette] (Chem.), Rochelle salt. -- Sal soda (Chem.), sodium carbonate. See under Sodium. -- Sal vitrioli Etym: [NL.] (Old Chem.), white vitriol; zinc sulphate. -- Sal volatile. Etym: [NL.] (a) (Chem.) See Sal ammoniac, above.
SEIDLITZ a.
one of which contains forty grains of sodium bicarbonate mixed with two drachms of RochellRochelle powders. -- Seidlitz water, a natural water from Seidlitz, containing magnesium, sodium, calcium, and potassium sulphates, with calcium carbonate and a little magnesium chloride. It is used as an aperient.…