Sunniest C18 Guard cartridge (4-pak) 5µm 10mm X 4mm ID

Developed a new bonded phase made with unique end capping!This special C18 reagent consists of C18 chain part and endcapping part like an arm. An arm of this reagent moves like a Geometrid caterpillar, so that a functional group on the tip of the arm can bond with a silanol group which is located anywhere.