Suitable for both electron and light microscopy. Easily penetrates large blocks of tissue. When used in combination with glutaraldehyde, it fixes delicate tissues such as brain in vascular perfusion. Avoids the problem of having to depolymerize paraformaldehyde. Used in Karnovsky's fixative in conjunction with your own buffer system. Source of the formaldehyde is paraformaldehyde.

Contains 20 (10 ml) ampules.