Contents: 1. Introduction. 2. Acids, Bases and Buffers. 3. Antioxidants. 4. Gastrointestinal Agents. 5. Topical Agents. 6. Dental Products. 7. Inhalants. 8. Respiratory Stimulants and Expectorants. 9. Antidotes. 10. Major Intra and Extra Cellular Electrolytes. 11. Official Compounds of Iron. 12. Quality Control. 13. Pharmaceutical Analysis. 14. Identification Tests for Cations and Anions. 15. Radiopharmaceuticals.