F. ALfarhani, Bassam, and Hassan A.A. Al – Rubaie. 2019. “Study the Effect of Positively Charged Natural Ions on Analytical Figures of Merits of Fluorometric Analysis of Naphthalene and Anthracene in Aqueous Solution”. Al-Qadisiyah Journal of Pure Science 24 (3). https://doi.org/10.29350/jops.2019.24.3.966.