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Colorphast pH Indicators

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SKU: PH Strips


1 - 5 $20.65 - $21.85
6 + $18.90 - $20.35
$20.65 to $21.85



These pH strips provide accurate colorimetric pH indication. To prevent bleeding, even in strongly alkaline solutions, the dye is covalently bound to the paper carrier on a plastic strip. Strips can be immersed in sample for extended periods, so weakly buffered solutions can be tested with accuracy. The universal strip tests the full 0-14 pH range with a sensitivity of 1 pH units. Intermediate range indicators provide a sensitivity of 0.3-0.5 pH units and narrow range strips provide a sensitivity of 0.2-0.3 pH units. Use distilled water for testing.

Also referred to as ph strips.

Each box contains 100 strips and 1 test chart.

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