52

AC1DS.

which on the small scale is easily managedby boiling the acid with a few platinum chipsin a glass retort by means of a sand-bath orgas-flame,—rejecting the first half ounce.

ACIDUM SITLPHUBICUM DILUTUM.

Mix together one fluidounce of sulphuricacid and thirteen fluidounces of water. Thedensity of this preparation is about 1090.

ACIDUM SULPHURICUM AROMATICUM.

Take of Sulphuric Acid (commercial,) threefluidounces and a-half;

Rectified spirit, one pint and a-half;

Cinnamon, in moderately fine pow-der, an ounce and a-half;

Ginger, in moderately fine powder,one ounce;Add the acid gradually to the spirit, let themixture digest at a very gentle heat for threedays in a closed vessel; mix the powders,moisten them with a little of the acid spirit,let the mass rest for twelve hours, and thenput it into a percolator and transmit the restof the acid spirit. This preparation mayalso be made by digesting the powders forsix days in the acid spirit, and then strainingthe liquor.

AC1DUM TARTARICUM.

Take of Bitartrate of potash, four pounds.;