Skip to main content

Table 7 Intra- and inter-day precision assessment

From: Novel ecofriendly spectrophotometric methods for the determination of six dihydropyridines calcium channel blockers through derivatization with sulfophtalein dye: application to tablet analysis

Analyte

Concentration level

% Mean Recovery* ± SD

Intra-day

Inter-day

AML

1

100.18 ± 1.43

100.62 ± 0.85

2

99.24 ± 0.69

100.03 ± 1.64

3

100.55 ± 1.48

99.75 ± 1.52

LAC

1

100.93 ± 0.79

99.41 ± 1.42

2

100.44 ± 0.98

100.86 ± 0.63

3

100.12 ± 1.54

100.53 ± 1.27

LAML

1

99.98 ± 0.71

99.5 ± 0.37

2

99.84 ± 0.66

99.31 ± 1.02

3

99.47 ± 1.15

100.23 ± 1.51

NIF

1

98.88 ± 0.54

101.08 ± 0.77

2

99.86 ± 0.89

99.1 ± 0.63

3

100.2 ± 1.81

99.77 ± 1.36

NIM

1

100.37 ± 1.13

100.56 ± 0.99

2

99.81 ± 1.27

100.29 ± 1.41

3

100.75 ± 1.14

99.94 ± 1.16

NIT

1

99.62 ± 1.79

99.9 ± 1.52

2

100.51 ± 1.14

99.98 ± 1.15

3

98.96 ± 0.24

100.54 ± 1.5

  1. *Mean of three measurements