Negative Stain Kit

• Chemical kit designed to perform a negative stain on multiple cultures
• Negative stains dye the culture background rather than the bacteria themselves, enhancing visibility
• Kit contains enough material to run several stains
• Perfect kit for chemistry labs
• Safety data sheets included to inform safe storage and maintenance of chemicals

A negative stain set 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
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 birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.