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Determination of phenylbutazone in tablets by nuclear magnetic resonance spectrometry
Journal of Pharmaceutical Sciences
|November 1, 1984
Abstract:
A method for the quantitative analysis of phenylbutazone in tablets using NMR is reported. The method is both accurate and precise. Using synthetic mixtures, the mean recovery value +/- SD was 100.5 +/- 0.86%. The NMR results of commercial preparations are compared with those obtained by the USP XX procedure. The NMR spectrum, in addition, provides a very specific means of identification for phenylbutazone.