FLEXI ONE GPC cleanup system adopts modular design concept, which is smart in size and easy to use. It provides excellent sample pre-treatment solutions to complicated environmental, food, cosmetic, agricultural, and pharmaceutical sample matrices where accurate quantitative analysis of trace amounts of pesticides, PAHs, PCBs, SVOCs is required. It is suitable to be applied in both domestic and international standards as 2020 edition of “the pharmacopoeia of the PRC; EPA (SW-846, 3640A); AOAC; S19, etc.