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Pharmaceutical terms explained - Page 5

December 5, 2013

Spirits

Spirits are alcoholic or hydroalcoholic solutions of volatile substances. Generally, the alcoholic concentration of spirits is rather high, usually over 60%. Because of the greater solubility of aromatic or volatile substances in alcohol than in water, spirits can contain a greater concentration of these materials

Aerosols

October 12, 2013
Aerosols are colloidal dispersions of liquids or solids in gases. In general, mists and fogs possess liquid disperse phases whereas

Emulsions

October 12, 2013
An emulsion is a system consisting of two immiscible liquid phases, one of which is dispersed throughout the other in the form

Suspensions

October 12, 2013
A pharmaceutical suspension is a coarse dispersion in which insoluble particles, generally greater than 1 µm in diameter, are dispersed
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