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Abstract

ABSORBANCE CORRECTION SPECTROPHOTOMETRIC METHOD FOR SIMULTANEOUS ESTIMATION OF LINAGLIPTINE AND PIOGLITAZONE IN SYNTHETIC MIXTURE

*Vimal J. Patel and Sejal K. Patel

ABSTRACT

A new, simple, accurate and sensitive UV ‐ spectrophotometric absorpt ion correction method has been developed for simultaneous determinat ion of linagliptine and pioglitazone in synthetic mixture. Methanol was used solvents. The method is based upon determination of linagliptine at 295nm and pioglitazone 267nm, respectively. Beer’s law obeyed the concentration range of 2- 30 μg/ ml for linagliptine and 10-38 for pioglitazone respectively. The percentage recovery was found in the range of 98.8-100.0% for Linagliptine and 98.1-100.1% for pioglitazone. The developed method was validated statistically and by recovery studies. The % RSD value was found to be less than 2. Thus the proposed method was simple, precise, economic, rapid and accurate and can be successfully applied for simultaneous determination of linagliptine and pioglitazone in synthetic mixture.

Keywords: Linagliptine, pioglitazone, Absorbance Correction.


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