Stain Papanicolaou's solution hematoxylin harris 2.5L by Medil for cancer diagnosis. The cytological staining technique developed by Papanicolaou continues to be the standard method for cancer diagnosis and hormonal cycle. With the use of Papanicolaou's solution hematoxylin harris stain, excellent nuclear staining can be achieved in 3-5 minutes. Cell nuclei are stained in shades of blue, dark violet to black. A 500ml bottle is sufficient for staining 1500 to 2500 slides. Papanicolaou's solution hematoxylin harris stain is an IVD approved and CE certified product, so it can be used for clinical diagnostic purposes.