SOL-GEL (3-MERCAPTOPROPYL)TRIMETHOXYSILANE-METHYLTRIMETHOXYSILANE AS ADSORBENT FOR STIR BAR SORPTIVE EXTRACTION OF SELECTED ORGANIC DYES. J. Teknol. [Internet]. 2016 Mar. 9 [cited 2025 Apr. 15];78(3-2). Available from: https://journals.utm.my/jurnalteknologi/article/view/7809