pH 4.0 - 4.2 - 4.4 - 4.6 - 4.8 - 5.0 - 5.2 - 5.4 - 5.6
100 strips per pack.
These products have been developed in order to offer improved accuracy in specific industries or uses.
The strips are manufactured to have a unique single pad system of impregnated paper, which allows the resultant color change to remain up to 5 times longer when compared to the standard papers. These strips enable the pH value of a solution to be indicated cost effectively and quickly, measuring in intervals of 0.2 pH
Johnson Test Papers Catalogue