Gram Stain Control Slide, S. aureus and E. coli

Product information

This quality control slide provides two air-dried and methanol-fixed droplets within two etched circles. The circle nearest the label contains a droplet of Gram-Positive Staphylococcus aureus a derivative of ATCC® 25923™*. The circle furthest from the label contains a droplet of a Gram-Negative Escherichia coli a derivative of ATCC® 25922™*.