EDTA anticoagulant tube purple cap, ethylenediamine tetraacetic acid (EDTA, molecular weight 292), and its salt are amino polycarboxylic acids that can effectively chelate calcium ions in blood samples. Cheating calcium or removing the calcium reaction site will block and terminate the endogenous or exogenous coagulation process to prevent the coagulation of blood samples.What is EDTA Tube?Vacuum EDTA tube vials (Purple Top) are commonly used for determinations in EDTA whole blood clinical hematology tests, particularly for a standard blood examination. These tubes contain EDTA as an anticoagulant.The acronym EDTA, ethylenediaminetetraacetic acid, denotes the anticoagulant employed in most hematology procedures, including blood typing, cell identification, and counting.The Use of Different Vacuum EDTA Blood Collection TubeVolume/mlSize/mmAdditiveSeparatorMaterialCap ColorClosure2ml13X75EDTA K2 / EDTA K3/PET/GLASSPurple Cap TubeSafety Cap Rubber or Rubber Stopper3ml13X75EDTA K2 / EDTA K3/4ml13X75EDTA K2 / EDTA K3/5ml13X75EDTA K2 / EDTA K3/6ml13X100EDTA K2 / EDTA K3/7ml13X100EDTA K2 / EDTA K3/8ml16X100EDTA K2 / EDTA K3/9ml16X100EDTA K2 / EDTA K3/10ml16X100EDTA K2 / EDTA K3/If You Need a Customized customized Blood collection tube, Please Contact Us
