930-0010 PH Testing Pen

930-0010 PH Testing Pen
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  • Item #: 930-0010

Method for distinguishing safe alkaline paper and board or unsafe acidic paper and board. Chlorophenol red indicator ink solution. Easy to use, simply draw a line. Ink turns purple if paper is a safe pH of 6.8 or higher. Any other color will indicate an unsafe pH level

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Qty*
Price $6.95
2 or more $6.25 each
10 or more $5.90 each