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Table 6 Precision and accuracy of the proposed assay at different ATR-Ca concentrations

From: Use of response surface methodology for development of new microwell-based spectrophotometric method for determination of atrovastatin calcium in tablets

Concentration (μg/well)

Relative standard deviation

Intra-day, n=5

Inter-day, n=5

Found (μg/well)

% RSD

Found (μg/well)

% RSD

80

80.60 ± 1.28

1.59

80.75 ± 0.99

1.24

120

120.5 ± 0.85

0.71

120.34 ± 1.11

0.92

180

181.04 ± 1.93

1.07

180.42 ± 1.37

0.76