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In this paper, phenolphthalein and thiophene hydrazide are used as raw materials to design and synthe-size a fluorescent probe (FS) that can selectively detect trace amounts of Al3 + ions in dimethyl sulfoxide and ethanol. After FS is combining with Al3 + ions, the photo induced electron transfer (PET) is inhibiting, so it emits strong blue fluorescence (453 nm) to realize the specific detection of Al3 + ions. Tested by Job's plot and Benesi-Hildebrand method, the binding ratio and binding constant of FS and Al3 + ion are 2:1 and 5.6 x 10 5 M -1, respectively. As shown by the fluorescence gradient concentration testing, the min-imum detection limits of FS in DMSO and ethanol were 2.75 x 10 -8 M and 1.8 x 10 -8 M, respectively, both of which were lower than the WHO standard for Al3 + ions in drinking water (7.41 mu M). FS fluores-cent probes can be prepared as detection solvents and test strips for a wide range of applications in the detection of trace Al3 + ions.(c) 2022 Elsevier B.V. All rights reserved.
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JOURNAL OF MOLECULAR STRUCTURE
ISSN: 0022-2860
Year: 2023
Volume: 1271
4 . 0
JCR@2023
4 . 0 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
ESI HC Threshold:39
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 17
SCOPUS Cited Count: 17
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
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