Phthalates Mixture Analysis Protocol

A phthalates mixture containing DMP, DEP, DIBP, DBP, DMEP, DMPP, DEEP, DPP, DHXP, BBP, DBEP, DCHP, DEHP, Diphenyl phthalate, DNOP, and DNP standards in n-Hexane at a concentration of 1000 mg/kg was obtained from o2si smart solutions (Charleston, SC, USA). A phthalates mixed standard solution was purchased from o2si smart solutions (Charleston, SC, USA), and it is a solution in n-Hexane with a concentration of 1000 mg/kg. Hexane was purchased from Fisher Scientific (Waltham, MA, USA). XDA-8G resin was purchased from Xi’an Lanxiao Technology New Materials Co., Ltd. (Xi’an, China). The stevioside liquid was obtained from the stevioside production workshop of Chenguang Biotechnology Group Co., Ltd. (Handan, China).