SYNTHESIS OF Mg/Al HYDROTALCITE-LIKE FROM BRINE WATER AND ITS APPLICATION FOR METHYL ORANGE REMOVAL: A PRELIMINARY STUDY - Eddy Heraldy; Department of Chemistry, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Kentingan, Surakarta 57126, Indonesia (Directorate of Research and Community Engagement, Universitas Indonesia, 2011)