MEIDIKE GENE ® K2/K3 EDTA Vacuum Blood Collection Tubes are usually used for the collection and storage of blood specimens for routine blood tests and whole blood tests, applicable to various blood cell analyzer. It contains an anticoagulant called ethylenediaminetetraacetic acid (EDTA) in either K2 or K3 form, which prevents blood clotting by binding calcium ions. Product Parameters Product Name …