Kastle-Meyer Reagent Presumptive Blood Test Reagent
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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 peroxide. If the swab turns pink rapidly, it is positive for blood!

Kastle-Meyer Reagent Presumptive Blood Test Reagent

Price: $14.00
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