Fig. 7: Fluorescence spectral characteristics of exudates in migration tests.
From: Ginkgo-derived carbon quantum dots as a novel tracer for water seepage detection in grottoes
(a, b) CQDs solution, (c, d) Rhodamine B solution, (e, f) Fluorescein sodium salt solution as tracers. (a, c, e injected tracer solution; b, d, f injected DI water).
