EDTA Tube：The purple EDTA tubes use EDTAK2 or EDTAK3 as anticoagulant, and are widely used in clinical hematology, EDTA tubes are available for various blood cell analyzer
	The Color Mark： Purple
	Specification：13x75mm；13x100mm; 16x100mm;
	In common use adopt the amount of blood：lml,2ml and 5ml
	Additive category：EDTA.K2 and EDTA.K3