CHAPTER IX 



KEYS TO THE STUDY AND IDENTIFICATION OF THE U. S. P. 

 AND N. F. COMPOUND POWDER 



There are twenty-one compound powders, of which seven are 

 official in the U. S. P. IX and fourteen are official in the N. F. IV. 



The U. S. P. Compound Powders 



1. Pulvis Aromaticus. 



2. Pulvis Cretae Compositus. 



3. Pulvis Effervescens Compositus. 



4. Pulvis Glycyrrhizae Compositus. 



5. Pulvis Ipecacuanhas et Opii. 



6. Pulvis Jalapse Compositus. 



7. Pulvis Rhei Compositus. 



The N. F. Compound Powders 



1. Pulvis Acetanilidi Compositus 



2. Pulvis Aloes et Canellse. 



3. Pulvis Antimonialis. 



4. Pulvis Antisepticus. 



5. Pulvis Aromaticus Rubifaciens. 



6. Pulvis Cretse Aromaticus. 



7. Pulvis Cretae et Opii Aromaticus. 



8. Pulvis Gambir Compositus. 



9. Pulvis Hydrargyri Chloridi Mitis et Jalapse. 



10. Pulvis Kino et Opii Compositus. 



11. Pulvis Myricse Compositus. 



12. Pulvis Pancreatini Compositus. 



13. Pulvis Rhei et Magnesias Anisatus. 



14. Pulvis Talci Compositus. 



For the exact composition of these powders the student is referred 

 to the U. S. P. IX and N. F. IV respectively. The general introduc- 

 tory remarks to the keys of the simple powders also apply here. As 

 an introduction to the examination of the compound powders the 

 student should make a careful microscopical study of the following 

 substances, mounted in suitable media, as oil, water, alcohol, etc. 



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