Sun, 17 Dec 2017

Simultaneous Determination of Nebivolol and Hydrochlorthiazide in Tablets by Derivative Spectrophotometry

 

Satish A. Patel*, Hemant M. Patel1

 

1. Department of Pharmaceutical Quality Assurance, Shree S. K. Patel College of Pharmaceutical Education & Research, Ganpat University, Kherva – 382711, Mehsana, Gujarat, India

2. Babariya Institute of Pharmacy, Vadodara-Mumbai National Highway, Varnama-391240, Vadodara, Gujarat, India


 

ABSTRACT

The present manuscript describe simple, sensitive, rapid, accurate, precise and economical first derivative spectrophotometric method for the simultaneous determination of nebivolol and hydrochlorothiazide in combined tablet dosage form. The derivative spectrophotometric method was based on the determination of both the drugs at their respective zero crossing point (ZCP). The first order derivative spectra were obtained in methanol and the determinations were made at 270.5 nm (ZCP of hydrochlorothiazide) for nebivolol and 282.5 nm (ZCP of nebivolol) for hydrochlorothiazide. The linearity was obtained in the concentration range of 5-100 μg/ml for nebivolol and 2-14 μg/ml for hydrochlorothiazide. The mean recovery was 100.04 + 0.93 and 99.87 + 1.16 for nebivolol and hydrochlorothiazide, respectively. The method was found to be simple, sensitive, accurate and precise and was applicable for the simultaneous determination of nebivolol and hydrochlorothiazide in pharmaceutical tablet dosage form. The results of analysis have been validated statistically and by recovery studies.

Key words: Nebivolol, hydrochlorothiazide, recovery, first order derivative spectrophotometric method, tablet, validation.


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