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Analysis of adrenocortical steroids in pharmaceutical preparations by high-pressure liquid—liquid chromatography

✍ Scribed by Michael C. Olson

Publisher
John Wiley and Sons
Year
1973
Tongue
English
Weight
619 KB
Volume
62
Category
Article
ISSN
0022-3549

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✦ Synopsis

The adrenocortical steroids hydrocortisone, cortisone, hydrocortisone acetate, and cortisone acetate were separated by liquid-liquid chromatography. A commercially prepared reversephase cyan0 ethyl silicone column was used in conjunction with a UV precision photometer. Linearity studies were carried out using the internal standard technique and peak height measurements. Responses of each steroid were linear over the working range when equal injection volumes were used. The results of a study of the

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Enzyme catalyzed introduction of the 1-2 double bond into a steroid can be monitored through spectrophotometric changes accompanying electron acceptor reduction or through paper or thin-layer chromatographic analysis of the reaction product. The spectrophotometric method is not applicable to cases i