Research Article
Adsorptive Cathodic Stripping Voltammetric Determination of Cefoperazone in Bulk Powder, Pharmaceutical Dosage Forms, and Human Urine
Table 2
Linearity statistical analysis for the proposed voltammetric techniques.
| | Parameter | Pharmaceutical formulation | Spiked human urine | | DP-AdCSV | SW-AdCSV | DP-AdCSV | SW-AdCSV |
| | Concentration range (g/mL) | 0.01–0.06 | 0.01–0.06 | 0.01–0.07 | 0.01–0.07 | | Number of data points: | 6 | 6 | 7 | 7 | | Coefficient of determination: | 0.999 | 0.999 | 0.999 | 0.999 | | Slope (nA/g/mL) | −5902 | −2338 | −3046 | −1133 | | Intercept (nA) | −53 | −26 | −76 | −25 | | SD of the residuals: | 0.8 | 0.8 | 1.5 | 0.9 | | SD of the slope: | 20.1 | 18.1 | 28.5 | 17.1 | | SD of the intercept: | 0.8 | 0.7 | 1.2 | 0.8 |
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