Motakef Kazemi, *Negar 2019. A novel sorbent based on metal–organic framework for mercury separation from human serum samples by ultrasound assisted- ionic liquid-solid phase microextraction. Analytical Methods in Environmental Chemistry Journal. 2, 03 (Sep. 2019), 67-78. DOI:https://doi.org/10.24200/amecj.v2.i03.68.