Based on the principle that acid fuchsin and picric acid have different affinity to collagen fiber and muscle fiber respectively, the collagen fiber was stained double.Collagen fibers are stained red to pink under the action of acid fuchsin, and muscle fibers combine with picric acid to stain yellow.
Application
Mainly used for the identification and staining of collagen fibers and muscle fibers in histocytology
Strong coloring ability, short dyeing time, bright colors