Forensic Presumptive Blood Test Kit, 30 Tests Geology_Geology Specimen Collections adjustable from 5

adjustable from 5

and contains four simulated blood samples for realistic replication of the blood typing procedure and safe classroom use

5 inches producing 50-60 dots per second via a vibrating striker

Demonstration spherometer with an oversized 133 mm dial head and baked enamel finish

Heavy-duty powder-coated square dual boss head joins two rods up to 15mm at right angles on retort stand frames

Forensic Presumptive Blood Test Kit, 30 Tests Geology_Geology Specimen Collections adjustable from 5Reagent based and classroom safe, this presumptive blood test kit uses phenolphthalein and hydrogen peroxide swabs to reveal blood presence through a rapid color change.