Sawatwong, Supattra, and Chomchai Suksai. “Determination of Mercury (II) Ion Using Rhodamine 6 G Hydrazide on Natural Polymers Derivative Solid Support”. Burapha Science Journal 30, no. 2 May-August (May 21, 2025): 445–461. accessed June 2, 2025. https://li05.tci-thaijo.org/index.php/buuscij/article/view/711.