CETYL PYRIDINIUM CHLORIDE - FORMALDEHYDE 

 FIXATIVE 



(After G. Williams & D. S. Jackson, 1956) 



For acid mucopolysaccharides 



Cetyl pyridinium chloride . . . . 2-5 gm. 



Formaldehyde 40% . . . . • • 5° ml. 



Distilled water . . . . . . . . 450 ml. 



Thin slices of fresh tissue are fixed for forty-eight hours. 



Note: The authors tested this fixative on thin slices of human and 

 guinea pig tissues, comprising costal cartilage, aorta, stomach and 

 kidney. 



CHROMIC ACID FIXATIVE 



Chromium trioxide . . . . • . 10 gm. 



Distilled water . . . . . . . . 100 ml. 



CL\CCIO'S FIXATIVE 



Potassium dichromate 10% . . . . 200 ml. 



Formic acid 1% aqueous . . . . . . 200 ml. 



Formalin (40% formaldehyde) . . . . 80 ml. 



Distilled water . . . . . . . . 20 ml. 



8 533 



