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Table 3 Accuracy (% recovery) of ERTU and MET

From: Development and validation of stability-indicating RP-HPLC method for the simultaneous determination of ertugliflozin pidolate and metformin hydrochloride in bulk and tablets

ERTU MET
% Spiked level Fixed sample concentration (μg/ml) Amount Spiked (μg/ml) Statistical Analysis Fixed sample concentration
(μg/ml)
Amount Spiked (μg/ml) Statistical Analysis
Mean % Recovery ± SD % RSD
Mean % Recovery ± SD % RSD
80 3.75 3.0 100.04 ± 0.306 0.306 250 200 99.7 ± 0.54 0.54
100 3.75 3.75 99.99 ± 0.135 0.135 250 250 99.91 ± 0.57 0.57
120 3.75 4.50 99.87 ± 0.64 0.604 250 300 100.65 ± 0.47 0.47