TY - JOUR T1 - Stoichiometry of Cu(II) Ion Extraction with di-2-ethylhexylphosphoric acid Dissolved in Waste Palm Cooking Oil AU - Alif Azwan Abdul Wahab,Siu Hua Chang,Ayub Md Som JO - International Journal of Technology VL - 7 IS - 5 SP - 291 EP - 319 PY - 2016 DA - 2016/07/28 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v7i5.3292 UR - https://ijtech.eng.ui.ac.id/article/view/364