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Table 4 Method precision: metformin-valsartan

From: Valsartan in combination with metformin and gliclazide in diabetic rat model using developed RP-HPLC method

S. No.

Metformin (30 μg.ml1) area

Valsartan (10 μg.ml1) area

1

6230.00

16058.00

2

6240.00

16104.00

3

6250.00

16207.00

4

6148.00

16191.00

5

6172.00

16112.00

6

6218.00

16197.00

Standard deviation

40.62

61.649

Mean

6210

16145

%RSD

0.65

0.38

  1. μg.ml−1, microgram per milliliter; SD, standard deviation; %RSD, the percentage of relative standard deviation