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Table 2 The suggested methods’ accuracy and precision when utilizing a standard norfloxacin solution

From: Development and validation of simple colorimetric methods for assessing norfloxacin in pure form, in pharmaceutical products and in biological material

Amount taken (µg/mL)

Method A

% Recovery ± RSD

Method B

% Recovery ± RSD

Amount found (µg/mL)

Amount found (µg/mL)

1.0

0.968

96.80 ± 3.96

0.979

97.94 ± 2.63

2.0

2.046

102.30 ± 1.74

2.038

101.94 ± 5.69

3.0

3.02

100.66 ± 0.76

2.983

99.43 ± 1.26

Mean

99.92

 

99.77

± SD

2.82

 

2.02

t-test

0.049 (4.303)

 

0.197 (4.303)

  1. *Results are the averages of three separate analyses: RSD Relative standard deviation