QuEChERS 150 mg MgSO4, 25 mg PSA, 25 mg C18 and 7 mg GCB, 2 mL Tube, 100/pk

This is clean-up tube used for the extract from step 1 in QUECHERS sample preparation. This d-SPE tube contains PSA, C18 and GCB for cleaning up spices, tea and ….. . QUECHERS (pronounced catchers) methods are used for multi-pesticide residue analyses in food. This is a 100 pack of tubes containing the d-SPE components.