ARSENIC.

(Arsenious Acid, White Arsenic.)

1⁄24 gr. of arsenious acid is contained in 5 min. of liquor arsenicalis.

1⁄24 gr. of arsenious acid is contained in 5 min. of liquor arsenici hydrochloricus.

(Arseniate of Soda.)

1⁄24 gr. of arseniate of soda (dried) is contained in 5 min. of liquor sodæ arseniatis.