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Electron Microscopy Sciences

Technical Data Sheets

Wright-Giemsa Stain Method

EMS Catalog #: 26149-Series


Streak thin (approx. one cell thick) smears across a sterile slide by means of a second slide or cover glass. Air-dry quickly.


  1. Place 1.0 ml of the Wright-Giemsa Stain (#26149-01) upon the smear, in sufficient quantity to cover the entire surface, for 3-4 minutes.
  2. Add 2.0 ml distilled water or Phosphate Buffer, pH 6.5 (#26149-02) and let stand twice as long as in step 1.
  3. Rinse stained smear with water or the Phosphate Buffer, pH 6.5 (#26149-02) until the edges show faintly pinkish red.
  4. The film is allowed to dry in the air. The preparation may be blotted gently to hasten drying.
  5. Permanent mounts can be made with mounting medium.

Stain Results:

Erythrocytes Pink-Tan
Eosinophiles Red
Lymphocytes:  Granules Red-Purple
Lymphocytes: Cystoplasm Blue
Neutrophils: Granules Purple-Pink


Lillie, R.D.: Factors influencing the staining of blood films and the role of methylene violet. J. Lab. Clin. Med. 29: 1181, 1944

Lillie, R.D., H.J. Conn’s Biological Stains, 8th edition, William’s & Wilkins, Baltimore, p. 438, 1972.

Product Information

Wright-Giemsa Stain Method