Innovating Science® - Negative Stain Set

A negative stain colors the background of a smear rather than the bacteria as a direct stain does. These stains have negatively charged functional groups so they can't bind directly to negatively charged bacteria.

Kit Includes:
30mL Formalin-Nigrosin Solution
30mL Hydrochloric Acid, 1%
30mL Congo Red, 1% AQ

DOT Info:
Small quantity exemption 173.4
THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only

WARNING: This product can expose you to chemicals including Formaldehyde, Methanol and Benzidine-based dyes, which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.