E-PAK™ Cartridges, SiliaMetS™ DMT (2,4,6-trimercaptotriazine) is a silica-bound scavenger for a variety of metals, in particular, ruthenium catalysts and hindered Pd complexes conveniently packaged in a cartridge. E-PAK™ lab cartridges are generally used for processing samples of 50 mL or more.