Comparator, Narrow Range, pH 1.5-5, 0.5 pH Units, Each

Details

In transparent plastic dispensers, for determination of pH values of colorless liquidsTests are made by dipping a strip of the paper in the liquid to be tested and comparing the color with a chart in the comparatorDispensers contain two 15’ rolls of 1/4” wide test paperReplacement test papers are packed in heat sealed aluminum foil and tightly secured in a plastic case. Refills include five 15’ rolls of paper and two color charts. Fit single and dual roll dispensers.