| Issue |
Emergent Scientist
Volume 10, 2026
|
|
|---|---|---|
| Article Number | 1 | |
| Number of page(s) | 8 | |
| Section | Chemistry | |
| DOI | https://doi.org/10.1051/emsci/2026001 | |
| Published online | 08 June 2026 | |
Research Article
Why matrices matter: investigating dye quantification in listerine® with UV-Visible spectroscopy
1
Département de Chimie, École Normale Supérieure Paris-Saclay, France
2
Faculté des sciences d’Orsay, Université Paris-Saclay, France
* e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Received:
3
July
2025
Accepted:
28
February
2026
Abstract
While numerous studies have explored the quantification of compounds using UV-Visible absorption spectroscopy, matrix effects are rarely studied. This work, investigates the influence of matrix effects on the spectrophotometric determination of two dyes (Quinoline Yellow and Fast Green FCF) in Listerine®. The concentrations of the dyes are determined using both external calibration and standard addition, with only the latter method compensating for matrix effects. Indeed, significant matrix effects are found in both cases, with a notably stronger influence observed in the quantification of quinoline yellow.
Key words: Matrice effects / external calibration / standard addition / UV-Visible / dye assay / spectroscopy
© C. Taralle et al., Published by EDP Sciences, 2026
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