June 2013
Intermediate to advanced
294 pages
8h 34m
English
Content preview from Pharmaceutics
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Pharmaceutical Aerosols
AEROSOLS AND THEIR HISTORICAL BACKGROUND
Learning Objective
- General idea regarding aerosols and its historical background
An aerosol is a suspension of fine solid particles or liquid droplets in a gas. In everyday life, we come across aerosols in the form of clouds and air pollution such as smog and smoke. The history of aerosols dates back to 1870, when pressurized carbonated beverages were introduced in France. Later in 1927, the first aerosol can and valve that was capable of dispensing the propellant and product was developed by Erik Rotheim of Norway. In 1953, Robert H Albanalp patented the present day aerosol valve. The first aerosol, an insecticide preparation was developed in 1942. The first pharmaceutical ...
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