Lineco pH Testing Pen

Lineco pH Testing Pen

Availability: In stock

Lineco pH Testing Pen for you can distinguish between what paper or board is suitable for conservation. The indicator solution of chlorophenol red will turn a shade of purple on paper with a pH of 6.5 or higher. Any other color would indicate a pH lower than 6.5, thereby acidic and unsuitable for artwork that is meant to last.

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