1/2 to 1 1/2 fl. dr.

B.P. Liquor Ammonii Citratis. Solution of Citrate of Ammonium. - Citrate of Ammonium, or (NH4)3.C6H5O7, dissolved in water.

Dose. - 2 to 6 fluid drachms.

Uses. - Like the solution of the acetate, but more agreeable.

B.P., Appendix, Oxalate of Ammonium (NH4)2C2O4.H2O. Properties. - Colourless prismatic crystals, no smell. Uses. - Used to test for calcium, and to separate it from magnesium.