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
In stock, delivery time 1-3 days
From
€28.57*
Test paper for iron (II) and iron (III) ions
Box of 100 strips 20 x 70 mm
In stock, delivery time 1-3 days
From
€52.29*