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Fig. 8 | BMC Chemistry

Fig. 8

From: Novel ecofriendly spectrophotometric methods for the determination of six dihydropyridines calcium channel blockers through derivatization with sulfophtalein dye: application to tablet analysis

Fig. 8

Effects of solvents on CCBs drugs—BPB complex formation (AML (c(BPB) = 6.00 × 10–5 M, c(AML) = 1.80 × 10–5 M), LAC (c(BPB) = 5.00 × 10–5 M, c(LAC) = 2.50 × 10–5 M), LAML (c(BPB) = 2.00 × 10–5 M, c(LAML) = 2.00 × 10–6 M), NIF (c(BPB) = 6.00 × 10–5 M, c(NIF) = 2.40 × 10–5 M), NIM (c(BPB) = 3.00 × 10–5 M, c(NIM) = 2.00 × 10–6 M), NIT (c(BPB) = 3.64 × 10–5 M, c(NIT) = 9.02 × 10–5 M)

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