2022
DOI: 10.1021/acssuschemeng.1c07806
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Rapid Spectrometer-Free Luminescence-Based Detection of Tb3+ and Eu3+ in Aqueous Solution for Recovery and Urban Mining

Abstract: A novel and robust procedure was developed for the rapid qualitative and semi-quantitative detection of trivalent terbium and europium in aqueous solution without significant process costs. The detection does not require a spectrophotometer, as the evaluation is done "on the fly" with the bare eye based on an optical signal. Sensitive detection is even possible in acidic solution and the presence of heavy metal ions. Therefore, the method presented can be used for an urban mining approach for the evaluation of… Show more

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Cited by 4 publications
(3 citation statements)
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“…Table 1 highlights the signicance of our protocol, with sensitivity over two orders of magnitude higher than other published methods for Eu 3+ . 8,[11][12][13][14][15][16][17][18][19] The luminescence behaviour of lanthanides is controlled by three types of transitions: LMCT, 4f-5d transitions, and 4f-4f transitions. 2,20 The lower energy 4f-4f transitions have low absorption coefficients (typically <3 M −1 s −1 ).…”
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confidence: 99%
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“…Table 1 highlights the signicance of our protocol, with sensitivity over two orders of magnitude higher than other published methods for Eu 3+ . 8,[11][12][13][14][15][16][17][18][19] The luminescence behaviour of lanthanides is controlled by three types of transitions: LMCT, 4f-5d transitions, and 4f-4f transitions. 2,20 The lower energy 4f-4f transitions have low absorption coefficients (typically <3 M −1 s −1 ).…”
mentioning
confidence: 99%
“…Table 1 highlights the significance of our protocol, with sensitivity over two orders of magnitude higher than other published methods for Eu 3+ . 8,11–19…”
mentioning
confidence: 99%
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