Syrups are concentrated solutions of sugar in water or in aqueous liquids. They may be made extemporaneously by adding a medicated liquid to the official Syrup. Besides being a pleasant vehicle, Syrup is somewhat of a preservative of vegetable compounds, and tends to retard chemical changes in some readily oxidizable substances.

Prepare official Syrup as follows: With the aid of heat, dissolve 85 Gm. sugar in 45.5 mils distilled water; bring the liquid to the boiling point, strain, then pass enough distilled water through the strainer to make the product when cold equal 100 mils.

Properties of your Syrup:

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

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

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

Sp. Gr. at 25° C...............................................................................

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

Label 2 test-tubes thus: Hypo-, Iso-, Hyper-. Into each place 6 mils of your Syrup; then to the Hypo- add 3 mils H20; to the Hyper- add 2 Gm. sugar, heating in a water bath to complete solution. Set aside for several days, exposed to the air, and note results. (Put unused Syrup in stock bottle.)

1 Week:

2 Weeks:

Hypo- ....................................................................................................

Hypo- ......................................................................................................

Iso-...............................................................................................................

Iso-........................................................................................................

Hyper-......................................................................................................

Hyper-.....................................................................................................

Examine shelf samples of following official Syrups:

Sample

Odor

Color

Taste

Utility

Syrupus Acaciae

Vehicle, resinous preparations

Syrupus Ac. Citrici

Vehicle, acid salts

Syrupus Ipecacuanhae

Emetic; dose, 15 mils

Syrupus Prun. Virgin.

Vehicle, cough medicine

Syrupus Rhei Aromat.

Laxative; 10 mils

Syrupus Sarsap. Comp.

Vehicle for KI

Syrupus Sennae

Purge for children; av. dose (adult), 4 mils

Syrupus Zingiberis

Vehicle, carminatives

Official Syrups of limited or no therapeutic utility: Syrupus Acidi Hydriodici, S. Aurantii, S. Aurantii Florum, S. Calcii Lactophosphatis, S. Ferri Iodidi, S. Hypo-phosphitum, S. Lactucarii, S. Picis Liquidae, S. Rhei, S. Scillae, S. Scillae Compositus (Hive Syrup), S. Senegae, S. Tolutanus.