pH in colored solutions

pH measurement in colored solutions PEHANON® is a special pH-test strip that unifies the pH-indicator and the reference colors on one strip. Thus, both are equally affected by the liquid.

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Test Strip PEHANON pH 12.0 - 14.0
ITEM NUMBER: 90423
Test Strip PEHANON pH 12.0 - 14.0
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Quantity / pk: 200
Test Strip PEHANON pH 4.0 - 9.0
ITEM NUMBER: 90424
Test Strip PEHANON pH 4.0 - 9.0
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Quantity / pk: 200