SPESilica-based Sorbents Polymer-based Sorbents Specific Sorbents ProElut™ GLASS SPE Tube ProElut™ DNPH-Silica ProElut™ SAX Select options ProElut™ SAX $0.10 ProElut™ SCX Select options ProElut™ SCX $0.10 ProElut™ NH2 Select options ProElut™ NH2 $0.10 ProElut™ PSA Select options ProElut™ PSA $0.10 ProElut™ Silica Select options ProElut™ Silica $0.10 ProElut™ CN Select options ProElut™ CN $0.10 ProElut™ PH Select options ProElut™ PH $0.10 ProElut™ C2 Select options ProElut™ C2 $0.10 ProElut™ C8 Select options ProElut™ C8 $0.10 ProElut™ C18-U Select options ProElut™ C18-U $0.10 ProElut™ C18 Select options ProElut™ C18 $0.10