Ortho-Tolidine Presumptive Blood TestSKU: 1204
Many investigators use this reagent as a confirmatory test after the Phenolphthalein Presumptive Blood Test. Packaged in a plastic box with all the necessary premixed chemicals and supplies to conduct an O-Tolidine Blood Test. The premixed liquid reagents are in plastic dropper bottles.
A non-human known blood standard is included to monitor the results.