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Lineco's pH Testing Pen
Description
Safely Check the pH of Documents, Repair Materials and Paper
With a simple swipe of Lineco's pH Testing Pen, you can determine whether the paper and board you're using are acidic. This easy, convenient method allows you to distinguish the difference between safe (neutral or alkaline) paper and acidic materials.- Easy to use; 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
Specification
| Old SKU | UPL5330023 |
| Product Level | level 2 |
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