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Table 3 Robustness for the determination of perindopril by the proposed methods

From: Four ecofriendly spectrophotometric methods for the determination of perindopril through derivatization with sulphophtalein dyes: application to tablet analysis

Method

Method parameters

Volume of reagent, mL

%Recovery*±SD

Time of reaction, min

%Recovery*±SD

BCG

0.9

101.78 ± 0.88

0

98.56 ± 1.38

1.0

100.34 ± 1.43

5

100.09 ± 0.89

1.1

100.67 ± 0.95

15

100.56 ± 1.42

BCP

0.9

101.91 ± 0.67

0

99.73 ± 1.28

1.0

100.56 ± 1.56

5

101.35 ± 1.82

1.1

100.81 ± 0.82

15

99.56 ± 0.91

BTB

0.9

99.21 ± 1.72

0

98.39 ± 1.70

1.0

101.08 ± 1.42

5

100.56 ± 0.68

1.1

99.07 ± 1.84

15

101.45 ± 1.89

BPB

0.3

99.28 ± 0.93

0

100.42 ± 1.93

0.4

100.34 ± 1.27

5

100.63 ± 1.20

0.5

98.73 ± 1.76

15

99.81 ± 0.97

  1. * Average of 3 determinations