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Gas chromatographic analysis of amine mixtures in drug formulations

✍ Scribed by Charles Hishta; Ronald G. Lauback

Publisher
John Wiley and Sons
Year
1969
Tongue
English
Weight
199 KB
Volume
58
Category
Article
ISSN
0022-3549

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✦ Synopsis

By employing a derivatization scheme, phenylpropanolamine hydrochloride, phenylephrine hydrochloride, phenyltoloxamine citrate, and chlorpheniramine maleate can be separated by means of a single injection in a suitable flame-ionization gas-liquid chromatograph. Formulated mixtures of the same components can be analyzed quantitatively in the same way. Precision at the 95 percent confidence 1-vel for the four compounds is 4.4 to 7.9 percent. Accuracy with respect to label claim is good.

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## Abstract A simple dual‐column gas chromatographic system with a six‐port switching valve has been used to separate the atropisomers of PCB congeners 84, 91, and 95 in technical PCB formulations and in extracts of soil and river sediment. A capillary column coated with a methylphenylsiloxane stat