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Supporting Information The Amidine Based Colorimetric Sensor for Fe 3+ , Fe 2+, and Cu 2+ in Aqueous Medium Jitendra Nandre a , Samadhan Patil a , Prashant Patil a,b , Suban Sahoo c , Carl Redshaw d , Pramod Mahulikar a * and Umesh Patil a* a School of Chemical Sciences, North Maharashtra University, Jalgaon, 425 001, INDIA. b S.S.V.P.S’s L. K. Dr. P. R. Ghogrey Science College, Dhule-424 001, INDIA. c Department of Applied Chemistry, S. V. National Institute Technology, Surat-395 007, Gujrat, INDIA. d Department of Chemistry, University of Hull, Cottingham Road, Hull, HU67RX (UK). *Corresponding author: Phone No.: +91-257-2257431, Fax No.: +91- 257-2258403, E-mail: [email protected] (Prof. Mahulikar) and [email protected] (Dr. Patil). 1
Transcript of link.springer.com10.1007/s10895... · Web viewJitendra Nandrea, Samadhan Patila, Prashant Patila,b,...
Supporting Information
The Amidine Based Colorimetric Sensor for Fe3+, Fe2+, and Cu2+ in Aqueous Medium
Jitendra Nandrea, Samadhan Patila, Prashant Patila,b, Suban Sahooc, Carl Redshawd, Pramod Mahulikara* and Umesh Patila*
a School of Chemical Sciences, North Maharashtra University, Jalgaon, 425 001, INDIA.
b S.S.V.P.Ss L. K. Dr. P. R. Ghogrey Science College, Dhule-424 001, INDIA.
c Department of Applied Chemistry, S. V. National Institute Technology, Surat-395 007, Gujrat, INDIA.
d Department of Chemistry, University of Hull, Cottingham Road, Hull, HU67RX (UK).
*Corresponding author: Phone No.: +91-257-2257431, Fax No.: +91-257-2258403, E-mail: [email protected] (Prof. Mahulikar) and [email protected] (Dr. Patil).
FIGURES
Fig. S1 FT-IR spectrum of receptor AM-1
Fig. S2 LC-MS spectra of receptor AM-1
Fig. S3 1H-NMR spectrum of receptor AM-1.
Fig. S4 Benesi-Hildebrand Plot for AM-1 and Fe3+ based on absorption titration data.
Fig. S5 Linear ratio plot for the determination of LOD and LOQ of Fe3+ ions, based on absorption titration data
Fig. S6 Benesi-Hildebrand Plot for AM-1 and Cu2+, based on absorption titration data.
Fig. S7 Benesi-Hildebrand Plot for AM-1 and Fe2+, based on absorption titration data.
Fig. S8 LC-MS Spectrum of AM-1.Cu2+ complex.
Fig. S9 LC-MS Spectrum of AM-1.Fe2+ complex.
Fig. S10 Fluorescence intensity at 305 nm (ex = 277 nm) of AM-1 (5 10-5 M, in methanol) upon addition of 2 equivalents of Fe3+ ions (1 10-3 M, in water) in the presence of 2 equivalents of other background metal ions (1 10-3 M, in water).
Fig. S11 Linear ratio plot for the determination of LOD and LOQ of Fe3+, based on emission titration data.
Fig. S12 Benesi-Hildebrand Plot for AM-1 and Fe3+ based on emission titration data.
Fig. S13 Scatchard Plot for AM-1 and Fe3+ based on emission titration data.
Fig. S14 HOMO and LUMO of (a) AM-1 and (b) AM-1.Fe2+.
Fig. S15 HOMO and LUMO of (a) AM-1.Cu2+ and (b) AM-1.Fe3+.
Table S1 A comparison of receptor AM-1 with reported sensors.
Research Group
Selectivity and Sensitivity for
Ref. No.
U. D. Patil, et. al.
Fe3+, Fe2+, and Cu2+
This paper
M.-H. Jiang, et. al.
Fe3+ and Fe2+
4
P. Chattopadhyay, et. al.
Fe3+ and Fe2+
5
H.-C. Lin, et. al.
Fe3+ and Cu2+
21
Z. Pan, et. al.
Only Fe3+
22
C.-S. Lin, et. al.
Only Fe3+
23
W. He, et. al.
Only Fe2+
24
C. P. Rao, et. al.
Only Cu2+
25
J. F. Callan, et. al.
Fe3+ and Cu2+
26
P. Lu, et. al.
Fe3+ and Cu2+
27
C. Z. Huang, et. al.
Only Fe2+
28
U. D. Patil, et. al.
Cu2+ and I
29
U. D. Patil, et. al.
Only Fe3+
30
3
4000.0
3000
2000
1500
1000
450.0
4.0
10
15
20
25
30
35
40
45
50
55
60
65
70
72.5
cm-1
%T
2854.49
1640.66
1577.88
1530.00
1459.10
1377.09
1321.31
1300.21
1260.50
1151.67
1119.61
1096.42
1006.48
818.97
769.99
722.69
541.87
4000.03000200015001000450.0
4.0
10
15
20
25
30
35
40
45
50
55
60
65
70
72.5
cm-1
%T
2854.49
1640.66
1577.88
1530.00
1459.10
1377.09
1321.31
1300.21
1260.50
1151.67
1119.61
1096.42
1006.48
818.97
769.99
722.69
541.87
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