Fluorescence quenching of synthetic organic compounds by humic materials
作者： Michele M. Puchalski , Matthew J. Morra , Ray Von Wandruszka
DOI: 10.1021/ES00033A012
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摘要: Although fluorescence quenching has been used to determine equilibrium constants between synthetic organic fluorophores and water-soluble humic materials, limitations of the technique have not thoroughly evaluated. Difenzoquat (1,2-dimethyl-3,5-diphenyl-1H-pyrazolium methysulfate) 1-naphthol were as in experiments with three acids. Curvature Stern-Volmer plots toward Y-axis was caused by inner filter effects or, case difenzoquat, its tendency form dimers
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