Method for general use Dip an indicator strip into the test solution for approximately 1-2 seconds and then remove. Shake off excess liquid. Compare the colour produced on the indicator strip with the colour chart by holding it against the nearest matching colour within 40 seconds of removal to in... more >
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0,12 EUR
0,12 EUR/pcs
The lowest price in the last 30 days: 0,18 EUR
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