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- W4300607515 abstract "Tetradentate Schiff base ligand namely N,N’–bis(salicylidene)-1,3-propanediamine, containing -ONNO- donor set was successfully synthesised between salicylaldehyde and 1,3-diaminopropane using condensation reaction. The structure of the synthesised ligand was unambiguously determined by Fourier Transform Infrared (FTIR) spectroscopy, Nuclear Magnetic Resonance (NMR) spectroscopy and Thermogravimetric Analysis (TGA). The spectroscopic studies suggest that the central azomethine (C=N) group of tetradentate ligand can be assigned at vibration peak 1632 cm-1 and the chemical shift observed for OH proton appeared at very downfield. TGA curve shows around 80% weight loss occurred when the sample was heated at room-temperature up to 850 ºC. Initial data show the ligand enhanced fluorescence spot upon increasing the concentration of Zn2+ and Pb2+. The response of ligand with Zn2+ and Pb2+ also inhibits the C=N bond isomerisation and subsequently increased the intensity of fluorescence efficiency. Thus, the proposed tetradentate Schiff base ligand used as reagent sensing potentially has good capability in sensing application for metal ions detection." @default.
- W4300607515 created "2022-10-03" @default.
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- W4300607515 date "2021-07-31" @default.
- W4300607515 modified "2023-09-24" @default.
- W4300607515 title "SYNTHESIS, CHARACTERISATION AND FLUORESCENCE SENSING PROPERTIES OF TETRADENTATE N,N’–BIS(SALICYLIDENE)–1,3-PROPANEDIAMINE FOR METAL IONS DETECTION: PRELIMINARY STUDY" @default.
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- W4300607515 doi "https://doi.org/10.46754/umtjur.v3i3.229" @default.
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