alexa Abstract | Spectrophotometric method for the determination of pentazocine and mefenamic acid.

Indian Journal of Pharmaceutical Sciences
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Research Paper Open Access


A rapid method for the determination of microgram quantities of pentazocine and mefenamic acid in dosage forms has been proposed, based on their ability to form a water-soluble coloured complex with sodium nitroprusside and hydroxyl-ammonium chloride. The intensities of the coloured species were measured at 750 nm and 620 nm respectively.

Author(s): C SP Sastry A RM Rao

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