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Table 5 Linearity of 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

Concentration [x] (μg/ml)

Mean peak area* [y] (AU)

0

0

62.5

1,374,565

125

2,780,573

187.5

4,158,469

250

5,566,797

312.5

6,877,296

375

8,152,632

Linear regression equation (y = mx + c)

y = 21,857x + 31,878

Slope (m)

21,857

Intercept (c)

31,878

Correlation coefficient (R2)

0.999

  1. *Average of three determinations