CHROMABOND QuEChERS Mix XLIX Diamino/Carbon/C18 ec clean-up mix consisting of: - 1200 mg MgSO4 - 400 mg CHROMABOND Diamino - 45 mg CHROMABOND Carbon - 400 mg CHROMABOND C18 ec individually weighed and filled into 15 mL centrifuge tubes (PP) with scre 1 * 50 items