P.O. Box 219 Batavia, IL 60510
Item #: AP7555
Classic test for the presence of blood at a crime scene! Kastle-Meyer reagent contains reduced phenolphthalein indicator in a basic solution. Simply wipe a presumptive bloodstain with a cotton swab, add a drop of the reagent, and then apply a drop of hydrogen perozide. If the swab turns pink rapidly, it is positive for blood! For a terrific guided-inquiry forensic activity, use the Kastle-Meyer reagent to investigate substances that will interfere with the test to give false positives.
Alcohol solution; flammable liquid. Dilute sodium hydroxide is irritating to body tissues.
This item can only be shipped to schools, museums and science centers