alexa Abstract | A new spectrophotometric method for the estimation of primaquine using MBTH

Indian Journal of Pharmaceutical Sciences
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Research Paper Open Access


A spectrophotometric method for the determination of primaquine at 510 nm, based on its reaction with 3-methyl-2-benzothiazolinone hydrazone (MBTH) in the presence of cerium (IV) to form a stable, pink coloured oxidative coupling product, is reported. The method is applicable in the presence of other antimalarial drugs and to pharmaceutical preparation

Author(s): BS Sastry EV Rao MK Tumuru C SP Sastry

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