The Certain range listed below provides the first truly International Standard microscopic dyes and stains. These chemicals are provided as powder and ready to use solutions for various applications. Just to name a few, Scientific OEM manufactures Methylene Blue, Crystal Violet, Basic Fuchsin for Microbiology, Alcian Blue, Hematoxylin, Eosin Yellow for Histology, Giesma Stain, Leishman;s Stain, May & Grunwalds Stains for Haematology and papanicolaou S Solutions 1A 2B Orange Li Solution for Cytology. Stringent testing of all batches is performed to ensure that all specifications are satisfied. They correspond normally to the specifications given in H. J. Conns Biological Stains (1977).