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pH Indicator pen will change colour to provide an instant and accurate pH reading from paper.
Using the pen is as simple as writing on the sample of paper like you would with a standard marker pen. The integrated colour scale makes it easy for fast identification of the pH level in paper from Acidic 1.0 through to Alkaline 12.0.
Vinces Road Diss Norfolk IP22 4HQ
Tel: +44(0) 1379 647400 Fax: +44(0) 1379 650582 Email: info@preservationequipment.com
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