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pH 7-14 pH test strips detect weak to strong alkaline solutions with 0.5 pH resolution; each strip comes with a triple pad for best reading accuracy.
pH base test paper, 7-14 (0.5 steps), 3 pad, ~100/pack
The 7-14 range pH indicator strips are ideal for testing strong bases with high pKa such as lye (NaOH) down to weaker bases near neutral pH.
To use: compare all 3 pads to the color chart. The closest match of all three is the correct value. Only one or two of the 3 pads will change for any given base.
Note: The number of strips per pack or vial is approximate.
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