I always thought Zenkers (the mercury component being important, although
verbotten in labs these days) was used as the mordant for PTAH rather than
Bouins.  It is also my understanding, Zenkers postfixation "mordant" step
can be left out.  

Enlighten me.


Gayle Callis
MT,HT,HTL(ASCP)
Histopathology Supervisor
Veterinary Molecular Biology - Marsh Lab
Montana State University - Bozeman
19th and Lincoln St
Bozeman MT 59717-3610

406 994-6367
406 994-4303 (FAX)