[Preparation of a standard for the hemocromocytometric autoanalyzer (author's transl)].

It is possible to prepare a primary standard for emocromocytometric autoanalyzer, where is a Center or Trasfusional Service. The blood is pick (about 4/5 ml) during an usual bleeding (EDTA as anticoagulant); 0,1 ml of Destrosio 1,47% is added. Blood is preserved into dark glass test-tubes at + 4 degrees C. This preparation may be used within 11 days.