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Table 2 Analytical performance of various DL-SPCEs

From: Disposable screen-printed sensors for determination of duloxetine hydrochloride

Parameter Modified In situ Plain (Soaked)
Concentration range (mol L-1) 1.0 × 10-6 - 1.0 × 10-2 1.0 × 10-6 - 1.0 × 10-2 1.0 × 10-6 - 1.0 × 10-2
Slope (mV decade-1) 58 ± 1 55 ± 2 57 ± 0.4
Correlation coefficient, r 0.9999 0.9998 0.9999
LOD (mol L-1) 5.0 × 10-7 5.0 × 10-7 5.0 × 10-7
Response time (s) 2.8 5.0 2.8
Operation lifetime (days) 27 20 20
Shelf lifetime (months) 6 6 6
Working pH range 3-8 3-8 3-8
  1. Results are average of five different determinations