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Lineco pH Testing Pen (L533-0023)
Lineco pH Testing Pen (L533-0023)
Regular price
$18.95
Regular price
$18.95
Sale price
$18.95
Shipping calculated at checkout.
Discontinued-Online Only
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pH Testing Pen
A quick and easy way to test the acidity of paper. Simply draw a line and observe the colour as it dries.
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Purple/lavender indicates acid-free or neutral pH paper.
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Yellow or colourless indicates acidic paper.
The pen uses chlorophenol red as an indicator, providing a clear visual result in seconds.
(5070625323)
