This is for those ladies from the teleconference who asked

1.    SFFA
(Sodium formate - formic acid. Kristensen's soln.)
Kristensen H. 1948. An improved method for decalcification. Stain Tech.
23: 151-154.

340 gms dried sodium formate
1700 ml. formic acid (90% w/v)
Distilled water to 10 liters.

2.    Trichloroacetic acid. (TCA)

Barry