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Table 5 Response characteristics of Cd(II)-CPE sensor

From: Selective and sensitive determination of Cd(II) ions in various samples using a novel modified carbon paste electrode

Parameter  
Plasticizer o-NPOE
Ionophore Lanthanum tungstate
Slope mV/decade 29.4 ± 0.12
Correlation coefficient 0.999
Linearity range (mol L−1) 8 × 10−8–1 × 10−1
Lower detection limit (mol L−1) 8 × 10−8
Response time(s) 5
Working pH range 2.0–7.5
Temperature °C 25
Life time (weeks) 22