Petrolatum
Description
This section is from the book "Laboratory Manual Of Pharmacology", by A. D. Bush. Also available from Amazon: Laboratory manual of pharmacology.
Petrolatum
Petrolatum is a purified mixture of methane hydrocarbons. It is obtained from petroleum by distilling off the more volatile portions.
Petrolatum Album is petrolatum decolorized by filtering through animal charcoal. It is used extensively as a base for cerates and ointments.
Petrolatum Liquidum consists of those petroleum distillates boiling between 360° to 3900 C, after the more volatile portions have been removed. It is further treated by being purified and decolorized. It has a wide use as a vehicle for medicaments intended to be used by atomization.
Properties: | ||
Petrolatum: | Petr. Album: | Petr. Liquid.: |
Appearance............................................... | Appearance............. ............... | Appearance................................................ |
Feel .................................................................. | Feel .................................................................. | Feel .................................................................. |
Color ............................................................ | Color ............................................................... | Color ............................................................... |
Odor .............................................................. | Odor ............................................................... | Odor ............................................................... |
Taste ............................................................... | Taste ............................................................... | Taste ............................................................... |
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