Table 2.

Response characteristics of the ziprasidone selective electrode.

Parameter	Value
Range (M)	1.6 × 10−6–1.6 × 10−4
Linearity (M)	2 × 10−5–8 × 10−4
Slope (mV decade−1) ± RSD a	59.3 ± 1.8
Limit of detection (M) ± RSD a	1.8 × 10−5 ± 2.1 × 10−6
Accuracy c (%)	99.38 ± 0.37
Response time (s) b	t95% ≤ 15
Working pH range b	3.5–5.5
Operational lifetime (days)	≥ 40

^amean of six calibrations.

^bZPD concentration range of 1.6 × 10⁻⁶–1.6 × 10⁻⁴ M.

^cRecovery ± RSD (n = 10).