Determination of Methadone in Human Urine Using Salting-Out Effect and Dispersive Liquid-Liquid Microextraction Followed by HPLC-UV

Reza Akramipour¹, Mitra Hemati¹, Simin Gheini¹, Nazir Fattahi^2* and Hamid Reza Ghaffari^3,4

¹School of Medical, Kermanshah University of Medical Sciences, Kermanshah, Iran, E-mail: nazirfatahi@yahoo.com

²Research Center for Environmental Determinants of Health (RCEDH), Kermanshah University of Medical Sciences, Kermanshah, Iran, E-mail: nazirfatahi@yahoo.com

³Social Determinants in Health Promotion Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran, E-mail: nazirfatahi@yahoo.com

⁴Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran, E-mail: nazirfatahi@yahoo.com

^*Corresponding Author: Nazir Fattahi, School of Medical, Kermanshah University of Medical Sciences, Kermanshah, Iran, Tel: +988338263048 Email: