| Item model number | L533-0023 |
|---|---|
| Unit Count | 1.0 Count |
| Ph Range | 6.8 and above |
| Is Discontinued By Manufacturer | No |
| Size | 1 Count (Pack of 1) |
| UPC | 313093664685 |
Check the listing for details. pH Testing Pen for Paper or Paperboard Products.. Condition: New. Listed at 16.49 USD. The line drawn will turn purple on most papers if there is an indication of pH neutrality. Lineco pH testing pen is an easy, convenient test pen to distinguish between alkaline paper and board, and acidic paper and board.