Sneak Peek: True Crime by VaccaD

Question 4

WHAT NAME is most often given to 5-amino-2,3-dihydrophthalazine-1,4-dione, a chemical which glows bright blue when combined with an oxidant (such as a hydrogen peroxide solution) and a catalyst? Since one such catalyst is the blood component hematin, this chemical is used in crime scene investigations to check for traces of blood that may not be visible to the naked eye.