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Abstract
Spectrophotometric determination of pentazocine in pharmaceutical formulations through copper (II) and cobalt (II) chelation.
Author(s): PK Chatterjee, CL Jain, PD Sethi
Central Indian Pharmacopoeia Laboratory, Rajnagar, Ghaziabad-201 002
Correspondence Address:
P K Chatterjee Central Indian Pharmacopoeia Laboratory, Rajnagar, Ghaziabad-201 002
Central Indian Pharmacopoeia Laboratory, Rajnagar, Ghaziabad-201 002
Correspondence Address:
P K Chatterjee Central Indian Pharmacopoeia Laboratory, Rajnagar, Ghaziabad-201 002
Simple photometric methods using nitrosation reaction followed by subsequent chelation with cobalt (II) and Copper (II) ions are described. The chromophores exhibit maxima at 358 nm and 535 nm for cobalt and copper chelate respectively.
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