Fig. 6

Absorbance spectra of NIM, BPB and NIM—BPB complex vs. appropriate solvent (c(BPB) = 3.00 × 10–5 M, c(NIM) = 1.00 × 10–5 M)
Absorbance spectra of NIM, BPB and NIM—BPB complex vs. appropriate solvent (c(BPB) = 3.00 × 10–5 M, c(NIM) = 1.00 × 10–5 M)