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Rapid qualitative identification of barbiturates by mass spectrometry

✍ Scribed by James D. McChesney; Deanna K. Beal; Richard M. Fox

Publisher
John Wiley and Sons
Year
1972
Tongue
English
Weight
268 KB
Volume
61
Category
Article
ISSN
0022-3549

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✦ Synopsis

A rapid method of qualitative identification of barbituric acids, which does not require prior isohtioil of the barbiturate from the pharmaceutical dosage forni, was developed utilizing mass spectrometry. This is achieved by the introduction o f a portion of the powdered preparation directly into the mass spectrometer rio the direct inlet system for solid samples and the fractional sublimation of the barbiturate by slowly increasing the solid inlet system temperature. The method is equally applicable to preparations of the sodium salts of the barbiturates as to the free acids.

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