Example Of A Metric Prescription 15

Hydrarg. chloridi. corros.......... o | 25 Gm.

Potassi iodidi............. 10 | 00 Gm.

Aquae................. 100 | 00 C.C.

Tinct. cinch. comp............ 100 | 00 C.C.

Mix.

As any liquid medicine must necessarily be administered to the patient in measured, and not in weighed, doses, it will, of course, be more convenient to the

The average "drop" (water) may be considered equal to 0.05 C.C, or 0.05 Gm. An average teaspoon holds 5 C.C., and an average tablespoon 20 C.C. Decimal numbers should be used as far as practicable without sacrifice of accuracy as to strength and dose of the preparation. It is safe to prescribe 30 Gm. for one troy ounce, and 250 C.C. for eight fluid ounces.

The above contains all that is necessary to know or learn of the metric system, in order to write metric prescriptions, without a metric posological table, or with one.

To become familiar with the system, the rules given above for the conversion of apothecaries' weights and measures into the corresponding metric quantities, may be profitably used, the results to be verified by comparison with the following -