SPE Cartridge, EPA Methods 521 and 522, 6mL, 2g

These cartridges have been specifically designed to provide consistent and reproducible results for the method or application stated. All cartridges are manufactured using high density polypropylene and have polyethylene frits unless otherwise noted. Cartridges may be processed by any one or all of these techniques: positive pressure, sidearm flask, centrifuge, or vacuum manifold. 1176G21: For use in EPA Method 521: Nitrosamines in Drinking Water and EPA Method 522 for 1,4-Dioxane in Drinking Water. Activated charcoal packing. 1176G22: Extraction of endothall from aqueous samples. Weak anion exchange resin (BioRex 5) packing. 1176G23: Separation of aliphatic and aromatic hydrocarbons into distinct extract fractions. Specially treated to reduce contaminants and increase capacity. Silica packing. 1176G24: For use in HPLC analysis of paraquat/diquat, as an alternative to EPA 549.2. 1176G25: High-capacity cleanup of butyl and phenyl tin compounds from soil, water, and biota. Mixed bed. 1176G26: Extraction of explosive compounds (similar to EPA Method 8095 and 8330 list) from water samples.