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pH Testing Pen

Lineco pH Testing Pen

Lineco pH Testing Pen

Acidic or alkaline? Now you can distinguish between what paper or board is suitable for conservation with the stroke of a pen. The indicator solution of chlorophenol red will turn a shade of purple on paper with a pH of 6-8 or higher. Any other color would indicate a pH lower than 6, thereby acidic and unsuitable for artwork that is meant to last.

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  1. Lineco pH Testing Pen

    Lineco pH Testing Pen

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    Regular Price: $8.65

    Plaza Price: $6.92

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