Forensic Presumptive Blood Test Kit, 30 Tests Geology_Geology Specimen Collections Discontinued benchtop digital pH meter

Discontinued benchtop digital pH meter designated EI 0962

Electroscope-style charge data-logging sensor detecting positive or negative electrostatic charges

letting students quantify expansion coefficients side by side

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 Discontinued benchtop digital pH meterReagent based and classroom safe, this presumptive blood test kit uses phenolphthalein and hydrogen peroxide swabs to reveal blood presence through a rapid color change.