pH Testing Pen

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pH Testing Pen
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pH Testing Pen

Product Number: RA34216

In Stock (Ships within 1-2 business days)


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Easy, convenient way to determine whether the paper or board you're using is acidic. Simply draw a small line on the material you wish to test. The chlorophenol red indicator solution in the pen will turn purple on any paper with a pH of 6.8 and above. A clear or yellow color indicates the material is probably unsuitable for conservation purposes.

Item Weight  :       0.19
Prop 65  :      

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