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Asian Journal of Pharmaceutical Analysis
Year : 2015, Volume : 5, Issue : 2
First page : ( 79) Last page : ( 85)
Print ISSN : 2231-5667. Online ISSN : 2231-5675.
Article DOI : 10.5958/2231-5675.2015.00013.7

Simultaneous Estimation of Lamotrigine and Clozapine by Simultaneous equation method in their Synthetic Mixture which use in Schizophrenia

Atodariya Priyanka P.*, Raj Hasumati A.**, Jain Vineet C.

Shree Dhanvantary Pharmacy Collage, Kim, Surat, Gujarat, India

*Corresponding Author E-mail: atodariya.priyanka@yahoo.com

**Corresponding Author E-mail: drharaj@yahoo.com

Online published on 29 October, 2015.


Two simple spectroscopic methods have been developed for simultaneous estimation of Lamotrigine and Clozapine in synthetic mixture. Simultaneous equation method involves the measurement of absorption at two wavelengths 308 nm (λmax for Lamotrigine) and 259.60 nm (λmax for Clozapine). The method was found linear between the range of 1–5 μg/ml for Lamotrigine and 6–30 μg/ml for Clozapine for method. The accuracy and precision was determined and validated statistically. Both the method showed good reproducibility and recovery with %RSD less than 1. The method was found to be rapid, specific, precise and accurate and can be successfully applied for the routine analysis for Lamotrigine and Clozapine in bulk and combined dosage form.



Lamotrigine, Clozapine, Simultaneous equation Method.


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