Table 3.

Repeatability and reproducibility of sulpiride electrode.

Membrane	Repeatibility
	S ± SD*	LOD ± SD*
1	59.4 ± 0.3	5 × 10-5 ± 2 × 10-5
2	58.3 ± 0.8	4.9 × 10-5 ± 0.3 × 10-5
3	57.6 ± 0.4	2.8 × 10-5 ± 0.5 × 10-5
	Reproducibility between days
1	58 ± 2	4 × 10-5 ± 2 × 10-5
2	57 ± 3	4 × 10-5 ± 2 × 10-5
3	57 ± 1	1.8 × 10-5 ± 0.2 × 10-5
	Reproducibility between membranes
1,2,3	58.4 ± 0.9	4 × 10-5 ± 1 × 10-5

* Mean ± SD (n = 5)