Figure 9. Aqueous sodium 4-aminonaphthalene-1-sulfonate solution as invisible UV ink (left: in daylight, right: under UV light (λ = 365 nm)). (Photographs: Ducci)

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Fascinating school experiments with fluorescent dyes

Matthias Ducci

World Journal of Chemical Education. 2023, 11(3), 74-79 doi:10.12691/wjce-11-3-9