Macherey-Nagel CHROMABOND QuEChERS Mix XI C18 ec clean-up mix in 2 mL centrifuge tube with snap cap, 50pc/PAK

CHROMABOND QuEChERS Mix XI C18 ec clean-up mix consisting of: - 150 mg MgSO4 - 50 mg CHROMABOND C18 ec individually weighed and filled into 2 mL centrifuge tube with snap cap pack of 50