Phenolphthalein Presumptive Blood Test Kit

Phenolphthalein is one of the most commonly used chemicals in the field and laboratory to indicate the presence of blood. Our pre-packaged kit contains all the reagents to conduct a presumptive blood test. This simple field test is easy to use and carry in a pocket. An immediate pink color on the end of the swab indicates a presumptive positive for blood. 60 tests per kit.