TY - JOUR T1 - Sustainable Porous Silica Material Extracted from Volcanic Ash of Mount Sinabung Indonesia as Corrosion Inhibitor AU - Lisnawaty Simatupang,Rikson Siburian,Elfrida Ginting,Binsar Maruli Tua Pakpahan,Kristian Adinata Pratama Simatupang,Dea Gracella Siagian,Edward Relius Laoli,Ronn Goei,Alfred Iing Yoong Tok JO - International Journal of Technology VL - 15 IS - 4 SP - 291 EP - 319 PY - 2024 DA - 2024/07/10 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v15i4.6740 UR - https://ijtech.eng.ui.ac.id/article/view/6740