Table 3 Detection of various metal ions using I–V technique.

From: Trivalent Y3+ ionic sensor development based on (E)-Methyl-N′-nitrobenzylidene-benzenesulfonohydrazide (MNBBSH) derivatives modified with nafion matrix

Modified electrodes

Metal ions

Sensitivity (μAμM−1 cm−2)

LOD (nM)

LDR (nM~mM)

Ref.

MPEBSH/GCE

Cd2+

2.22

0.14

0.35~350

33

EMDMBS/GCE

Co2+

1.87

0.17

0.35~3.5

34

TPCBZ/GCE

Cu2+

1.13

0.84

1.0~1.0

35

PEBSH/GCE

Hg2+

2.19

0.063

0.1~1.0

36

MNBBSH/GCE

Y3+

1.90 pAμM−1 cm−2

10.0 pM

1.0~1.0

This work

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