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. 2023 Apr 18;39(8):1307–1316. doi: 10.1007/s44211-023-00340-6

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Fig. 4 — Luminescence emission spectra of a 10.0 μM Eu(III)-(3-NTA)₃ in presence of Al(III) at 0, 1, 2, 3, 5, 8, 10, 15, 20, 25, 30, 35, 40, 45, 50 and 100 μM (from top to bottom; λ_exc = 333.0 nm; methanol)