III.—Sodium acid phosphate20 parts
Calcium acid phosphate20 parts
Sodium bicarbonate25 parts
Starch35 parts

Caution as to drying the ingredients and keeping them dry must be observed. Even the mixing should be done in a room free from excessive humidity.

IV.—Alum Baking Powder.—

Ammonium alum, anhydrous 15 parts
Sodium bicarbonate 18 parts
Cornstarch, q. s. to make100 parts.

Mix. The available carbon dioxide yielded is 7 1/2 per cent or 8 per cent.

BALANCE SPRING: See Watchmakers’ Formulas.

BALDNESS: See Hair Preparations.

BALL BLUE: See Laundry Preparations.

BALSAMS:

See also Ointments. {103}