Table 3 Precision results of the proposed DPV method for determination of BOS.

From: Sensitive voltammetric detection of bosentan using gold nanoparticles-decorated pencil graphite electrode in pharmaceutical formulations and plasma samples

Claimed (M)

Repeatability*

Reproducibility**

Found (M)

% Recovery

Found (M)

% Recovery

2.00 × 10− 6

2.01 × 10− 6

100.50 ± 1.98

1.96 × 10− 6

98.00 ± 0.96

7.00 × 10− 6

6.95 × 10− 6

99.29 ± 1.34

6.68 × 10− 6

95.43 ± 0.71

1.20 × 10− 5

1.19 × 10− 5

99.17 ± 0.07

1.15 × 10− 5

95.83 ± 1.17

Mean ± S.D.

99.65 ± 0.736

96.42 ± 1.383

%RSD (n = 9)

0.738

1.434

  1. * Repeatability: (n = 9), average of three concentration levels repeated three times within the same day.
  2. ** Reproducibility: (n = 9), average of three concentration levels repeated three times on three successive days.
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