Product Description
$6.00
Maximum quantity available reached.

Contains 100 units

PH paper to measure the hydrogen potential (from 1 to 14) of an aqueous phase.

1. Take a strip between your fingers;
2. Immerse the end of the strip (1 to 2 cm) in the solution to test
for 1 to 2 seconds;
3. Remove the strip from the solution, stir it to remove the excess liquid;
4. Compare the charter with the strip, within 30 seconds;
    (Do not exceed 30 seconds once the strip removed from the liquid)
 

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