Q-SEP

Sample preparation products, namely, extraction salts

Sample preparation products for scientific and laboratory use, namely, centrifuges, centrifuge tubes, tube racks for centrifuge tubes, bottle top solvent dispensers, centrifuge tubes containing [ extraction salts and ] sorbents, [ kits comprising centrifuge tubes and extraction salts, ] and kits comprising centrifuge tubes, extraction salts [, and sorbents ]