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. 2021 Nov 4;11(11):853. doi: 10.3390/membranes11110853

Figure 5.

Figure 5

Electrochemical sensing responses: (a) effect of pH medium on the reduction in the current response exhibited by PANI-MWCNT-APTES in 15 µM CdSO4. (b) Control study in 50 µM CdSO4. (c) The obtained CV upon variation of the scan rate in 30 µM CdSO4 (d) Linear plot of the scan rate variation against current. (e) Linear plot of the logarithm for a reduction in current versus the logarithm of the scan rate.