Latin, Acidum Phosphoricum (Gen., Acidi Phosphorici)

Eng., Phosphoric Acid. Synonyms, Syrupy Phosphoric Acid; Orthophos-phoric Acid. Formula, H3PO4.

Form

A liquid containing about 85 per cent. of absolute Or-thophosphoric Acid.

Odor And Taste

Odorless and strongly acid taste.

Solubility

Miscible with water or alcohol in all proportions.

Incompatibles

Practically all metallic salts except those of the alkali metals.

Official Preparation.

Acidum Phosphoricum Dilutum (Gen., Acidi Phosphorici Diluti)

Eng., Diluted Phosphoric Acid. An aqueous liquid containing about 10 per cent. of absolute Orthophosphoric Acid.

Average Dose

30 minims (2 mils).

Therapeutic Action

Has been classed as a tonic and alterative.

Uses

Sometimes employed in tonic preparations, particularly for conditions characterized by loss of appetite, indigestion, etc.

Administration

The following will serve to illustrate the way to prescribe the drug:

Acidum Phosphoricum Phosphoric Acid 98

or

Acidi Phosph. Dil.,

Tinct. Ferri Chlor.,

Tinct. Nucis Vom........................................

āā Acidum Phosphoricum Phosphoric Acid 99

30

Syr. Pruni Virg..................................................

q.sAcidum Phosphoricum Phosphoric Acid 100

180

M.

Sig

Teaspoonful in water after meals.