Wrobel-Moustafa-Fixative Parafomaldehyde, 25% freshly prepared 40 ml
Phosphate buffer (0.2 M, pH 7.4) 125 ml
Saturated picric acid 37.5 ml
Calcium chloride 5.0 mg
Glutaraldehyde 25% 1.25 ml
Add distilled water up to 250 ml
Table 2: Components of the fixative