So today i'll be talking about what tools and chemicals they use in a lab and how it helps them in an investigation.
Ok so finding blood stains can be quite easy if shown in plain site ,but what if the it was cleaned up?
Scientist came up with a way of using a chemical mixture to show hidden blood stains even when clean called Luminol or (C8H7N3O2) which reacts with iron found in hemoglobin.
Porous