OK- dumb question of the day. Back in the old days, when Zenker's fixative 
was used,  the slides had to treated with sodium thiosulfate, iodine, 
alcohols, etc to remove any pigment or precipitate formed by the mercuric 
chloride used. My question-is this step still required with Zenker's that 
has zinc instead of mercuric chloride?

Thanks

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Jill Songer HT (ASCP)
Supervisor, Anatomic Pathology
Virginia Tech
Veterinary Medicine Teaching Hospital

GO HOKIES!!!!!!