Heather,

If you use about 40 ml of eosin or eosin with phloxine in the first 100%
that should help embedding the biopsies. If you are inking margins several
companies offer some very good dyes.

I have not used mercurichrome for probably 15 years. I am not sure it is
available any more.

Regards

Mari Ann Mailhiot BA HT
Applications Specialist
Technical Assistance Center
Laica Microsystems