Research Article

Determination of Zalcitabine in Medicaments by Differential Pulse Voltammetry

Table 2

Results obtained from validation of the voltammetric method.

Validation parameters Results

SelectivitySatisfactory (in accordance with the and Student’s tests)
Linearity10.0–28.0 mg/L
Detection limit2.08 mg/L
Quantification limit4.12 mg/L
Repeatability RSD = 0.82%
Intraday precision (different days)Satisfactory (in accordance with the Cochran, , and Student’s tests)
Accuracy (recovery)100.95%
Robustness Only to purge time variations (110 or 130 seconds)