Krongkrod, Jirasa, Anucha Sinthusarn, Sorada Khunhon, and Aphiya Sukmak. “Method validation for determination of mercury in hydrochloric acid”. Bulletin of Applied Sciences 8, no. 8 (October 7, 2022): 72–77. accessed December 8, 2025. https://ph03.tci-thaijo.org/index.php/BAS/article/view/264.