Research Article

Tin(II) Selective PVC Membrane Electrode Based on Salicylaldehyde Thiosemicarbazone as an Ionophore

Table 3

Selectivity coefficient values 𝐾 p o t A , B for Sn2+ selective sensor by fixed interference method.

S. no.Interfering ion (B)Selectivity coefficients

1K+6.01 × 10−4
2 N H 4 + 4.03 × 10−3
3Cd2+6.44 × 10−4
5Cu2+4.03 × 10−2
6Ni2+8.11 × 10−2
7Zn2+5.12 × 10−3
8Co2+2.01 × 10−2
9Mn2+3.11 × 10−3
10Ni2+3.11 × 10−3
11Ag+2.51 × 10−4
12Hg2+2.51 × 10−3
13Ca2+1.06 × 10−2
14Sr2+3.01 × 10−2
15Cr3+1.01 × 10−4
16Al3+6.01 × 10−4
17Ti+2.1 × 10−3
18Cs+2.06 × 10−3
19Na+3.01 × 10−3
20Pb2+1.01 × 10−3