Derivative spectrophotometric analysis of benzophenone (as an impurity) in phenytoin
<p>Abstract</p> <p>Three simple and rapid spectrophotometric methods were developed for detection and trace determination of benzophenone (the main impurity) in phenytoin bulk powder and pharmaceutical formulations. The first method, zero-crossing first derivative spectrophotometry...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2011-12-01
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| Series: | Chemistry Central Journal |
| Online Access: | http://journal.chemistrycentral.com/content/5/1/85 |