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Table 2 Potentiometric parameters of the modified Cd(II)-CPE and other electrodes

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

No. Ionophore name Working concentration range (mol L−1) Slope (mV/decade) pH range Lifetime (week) Response time(s) Reference
1. Tetrathia-12-crown-4 4.0 × 10−7–1.0 × 10−1 29 ± 1 2.5–8.5 6 10 (Shamsipur et al. 2011)
2 N,N′-Bis(salicylaldehyde) phenylenediamine, PVC membrane and coated platinum 5.7 × 10−8–3.7 × 10−3
3.0 × 10− 8–3.0 × 10−3
28.9 ± 0.4
29.2 ± 0.6
2.5–7.5 8 14 (Mizani and Komeh 2012)
3 (13E)-N-Benzylidene-2- (3-((E)-2-(benzylideneamino) ethyl)-2-phenylimidazolidin -1-yl) ethanamine 1.0 × 10− 6–1.0 × 10−1 29.1 ± 1 3.5–7.9 13 35 (Rezaei et al. 2008b)
4 N,N′-(4 methyl 1,2 phenylene) diquinoline-2 carboxamide 1.0 × 10−6–1.0 × 10−1 29.9 ± 0.5 4–9 8 3–8 (Ensafi et al. 2009)
5 4-Hydroxy salophen 1.0 × 10−6–1.0 × 10−1 30.1 ± 1 2.8–8.1 8 20 (Mohan et al. 2016)
6 2-Acetylthiophene Semicarbazone 1.0 × 10−5–1.0 × 10−1 29.4 ± 0.2 3.4–7.6 5 10 (Gupta et al. 2007)
7 N,N′-[bis (pyridin-2-yl)formylidene]butane-1,4-diamine 7.9 × 10−8–1.0 × 10−1 29 2.0–8.0 8 10 (Zamani et al. 2006)
8 N′-p-[1-(2-furyl)methylidene]-2-furohydrazide 1.0 × 10−6–1.0 × 10−1 29 2.8–8.6 9 10 (Mashhadizadeh et al. 2005)
9 5-[((4-Methyl phenyl) azo)-N-(6-amino-2-pyridin) salicylaldimine], and
5-[((4-methyl phenyl) azo)-N-(2-diamino-2-cyano-1-ethyl cyanide) salicylaldehyde]
7.5 × 10− 7–1.0 × 10−1
4.0 × 10− 7–2.0 × 10−1
28
22
3.5–9 12 (Chandra et al. 2014)
10 Benzilbis (carbohydrazone) 1.0 × 10− 7–1.0 × 10−1 30 2–9 8 (Khamjumphol et al. 2011)
11 p-Tert-butylcalix[4]arene 1.6 × 10− 6–1.0 × 10−2 29 6–9 1 10 (Rezaei et al. 2008a)
12 1, 2-Bis (quinoline-2-carboxamido)-4-chlorobenzene 1.0 × 10− 6–1.0 × 10−1 30 2.4–9 8 10 (Hajiaghababaei et al. 2015)
13 4b,6,7,9b-Tetrahydroxy-4bH-indeno[1,2-b]benzofuran-10(9bH)-one 1 × 10−4–1.0 × 10−1 28 3–7 13 15 (Ivari et al. 2017)
14 Cadmium(II) IIP 2.0 × 10−7–1.0 × 10−2 29.9 4–7 15 (Husain et al. 1982)
15 Lanthanum tungstate 8.0 × 10−8–1.0 × 10−1 29.3 2–7.5 22 5 This work