Modified carbon paste electrode with ionic liquid and SiO2 nanoparticles for potentiometric determination of Copper(II) ions in real samples Journal title: International Journal of Medical Research & Health Sciences (IJMRHS) Authors: SoheilaSaghiri| Department of Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran, Mah... Subject(s): Medicine, Biomedicine, Dentistry and Oral Surgery, Oncology, Public Health and Community Medicine