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EDTA K3/K2 Tubes

EDTA (Ethylenediaminetetraacetic acid) K2/K3 Tubes are blood collection tubes used primarily for hematological testing. These tubes contain EDTA, an anticoagulant that binds calcium ions in the blood, preventing it from clotting and preserving the cellular components for accurate analysis.These tubes are essential for ensuring that blood samples remain anticoagulated, providing reliable results in cell-based studies.

Key Features


  • Anticoagulant:EDTA effectively prevents blood from clotting by chelating calcium, which is essential for clot formation.
  • K2-EDTA: This variant contains EDTA in the dipotassium salt form (K2) and is typically sprayed onto the inner walls of the tube.
  • K3-EDTA: This variant contains EDTA in the tripotassium salt form (K3) and is usually in liquid form inside the tube.
  • Preservation: EDTA preserves the shape and size of blood cells, making it ideal for analyzing the cellular components of blood.


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