List of Articles SrFe12O19@CTAB Open Access Article Abstract Page Full-Text 1 - Microextraction and preconcentration of nickel in chocolate samples by SrFe12O19@CTAB magnetic nanoparticles and determination by electrothermal atomic absorption spectroscopy vahid mortazavi nik elahe kanoz Alireza Feizbakhsh Amir Abdullah Mehrdad Sharif 10.30495/jacr.2022.689065