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. 2022 Mar 22;7(13):11114–11125. doi: 10.1021/acsomega.1c07193

Table 2. Inflection Points Obtained from Job’s Plot and Their Corresponding Binding Ratio.

metal ion Cu2+ Fe2+ Fe3+
SS1 0.40 0.60 0.60
SS2 0.40 0.58 0.60
binding ratio (sensor:ion) 1:1 2:1 2:1