Control products
pH indicator strips and pens to measure the surface ph value of a product and test paper to quickly detect iron ions (Fe2+ and Fe3+).
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pH indicator strips
Universal indicator / Box of 100 pcs
Measuring range: pH 0 - 6, pH 0 - 14, pH 5 - 10

From €28.57*
pH testing pen
with phenol red indicator solution

From €7.70*
Test paper for iron (II) and iron (III) ions
Box of 100 strips 20 x 70 mm

From €52.29*