History. Avoirdupois Weight. Apothecaries' Weight. Fluid Measure.

Metric System. The Balance. Weights. Measures. Graduates. Pipettes.

Approximate Measurements.

Of Liquids. Specific Gravity Bottles. Specific Gravity Balance. Hy-

drometers. Alcoholometer. Of Solids. Specific Volume. Adjustment of

Specific Gravity and Percentages.

Sources of Heat. Apparatus for Generating Heat. Apparatus for Regu-

lating Heat. Apparatus for Measuring Heat. Boiling-point.
Boiling-point. Melting-

point.

CHAPTER V.

COLLECTION AND PRESERVATION OF CRUDE Drugs

CHAPTER VI.

MECHANICAL SUBDIVISION OF DRUGS

Grinding of Drugs. Drug-mills. Sifting. Trituration.
Elutriation. Precipitation. Reduction. Granulation.

91

94

Levigation.

Simple Solution. Complex Solution. Determination of Solubility. Satu-

rated Solution. Supersaturated Solution. Percentage Solution. Solvents.

Lixiviation. Infusion. Decoction. Maceration. Digestion.

History. Principle. Apparatus. Management. Repercolation. Continu-

ous percolation.

CHAPTER IX.

SEPARATION OF NON-VOLATILE MATTER

132

Filtration. Straining. Filters and Funnels.

Media. Separators. Decantation. Clarification.

Filter-pumps. Filtering

Decoloration. Expres-

sion. Dialysis.

CHAPTER X.

SEPARATION OF VOLATILE MATTER

154

Evaporation. Direct. In Vacuo. Spontaneous. Mechanical Stirrer.

Desiccation. Incineration. Calcination. Torrefaction. Distillation. Stills.

Condenser. Fractional Distillation. Destructive Distillation. Sublimation.

Classification of Crystals. Water of Crystallization. Interstitial Water.

Efflorescence. Deliquescence. Mother-liquor.

CHAPTER XII.

CLASSIFICATION OF NATURAL PRODUCTS USED IN PHARMACY. 185

Gums. Resins. Oleoresins. Gumresins. Balsams. Fats. Fixed Oils.

Volatile Oils.

PART II.

PRACTICAL PHARMACY.

CHAPTER XIII.

THE OFFICIAL WATERS

. 206

Consistence. Aqueous Extracts. Alcoholic Extracts. Hydroalcoholic
Extracts. Changes by Evaporation. Official Extracts.

CHAPTER XXIV.

OLEORESINS AND RESINS

278

Official Oleoresins. Official Resins.

Pharmaceutical Incompatibility. Chemical Incompatibility. Therapeut-
ical Incompatibility. Summary of Incompatibles. Official Mixtures.

Pill-masses. Excipients. Division of Pill-masses. Pill-rolling. Pill-
dusting. Pill-coating. Official Pills. Official Masses.

CHAPTER XXIX.

CONFECTIONS AND LOZENGES

335

Official Confections. Apparatus for making Lozenges. Official Lozenges.

Mixing of Powders. Division of Powders. Powder-dividers. Apparatus
for filling Powders into Capsules. Cachets. Official Compound Powders.
Official Triturations. Oil Sugars.

Preparation and Preservation. Official Ointments. Official Cerates.