PTAH Stain Kit (Phosphotungstic Acid Hematoxylin)
This kit is designed to demonstrate many collagen, fibrin, muscle striations, cilia and glial fibers without using Zenker's Fixative as a mordant.
Muscle Striations, Fibrin: Blue to Purple
Glial Fibers, Cilia: Blue to Purple
Nuclei: Blue to Purple
Collagen, Elastic Fibers: Light Orange/Salmon to Brownish/Red