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Table 1 Optimization of composition (w/w %) of SPCEs sensors

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

Types No PVC
w%
DOP
w%
Carbon
w%
DL-PMA
(mg)
PMA
(mg)
Slope %RSD* Linear Conc.
Range (Mol L-1)
Plain
(Soaking electrode)
(a) 7.7 34.6 57.7 --- --- 57.0 0.4 1.0 × 10-6-1.0 × 10-2
  (b) 10.0 45.0 45.0 --- --- 56.0 1.2 1.0 × 10-5-1.0 × 10-2
  (c) 8.5 36.7 54.8 --- --- 54.0 0.9 1.0 × 10-5-1.0 × 10-2
Modified (a) 7.7 34.6 57.7 20 ---- 58.0 0.8 1.0 × 10-6-1.0 × 10-2
  (b) 10.0 45.0 45.0 20 ---- 57.5 0.2 5.0 × 10-5-1.0 × 10-2
  (c) 8.5 36.7 54.8 20 ---- 55.0 0.6 1.0 × 10-6-1.0 × 10-2
In situ (a) 7.7 34.6 57.7 --- 50 55.0 0.4 1.0 × 10-6-1.0 × 10-2
  (b) 10.0 45.0 45.0 --- 50 52.0 0.7 1.0 × 10-5-1.0 × 10-2
  (c) 8.5 36.7 54.8 --- 50 54.5 0.8 1.0 × 10-6-1.0 × 10-3
  1. * Average of five determinations