Bismuth Subcarbonate is obtained by the interaction of ammonium carbonate and purified bismuth nitrate. It is rather variable in chemical composition.

Properties:

Appearance................................................................................................

Taste ..............................................................................................................

Feel ...............................................................................................................................................................

Solubility:

Color .......................................................................

H2O.......................................................................

Odor .........................................................................................................................

C2H5OH...................................................

Incompatibilities: Add some Bismuth Subcarbonate to

HC1, T. S...........................................................................

KI, T. S...................................................................................................

KOH, T. S...........................................................................................

Ac. Tan., T. S............................................................

Bismuth Subcarbonate is used chiefly for its protective coating effect in inflammations of the intestinal mucosa. Dose, 0.5 Gm.

The other official bismuth preparations are: Bismuthi et Ammonii Citras, Bis-muthi Betanaphtholas, Bismuthi Subgallas, Bismuthi Subnitras, Bismuthi Subsalicylas - all of which are either superfluous or of questionable utility.