How to use a universal pH strip:
- Dip the end of the strip briefly into the solution you want to test.
- Remove the strip and wait for the color to develop, typically within seconds.
- Match the color of the strip to the pH chart provided by the manufacturer. The chart will indicate the corresponding pH level.
Limitations of universal pH strips:
- Accuracy: pH strips provide an estimate of pH, not a precise measurement. They are less accurate than pH meters.
- Sensitivity: The number of color squares on the strip determines its sensitivity. More squares generally provide a more precise range of measurement. The four-color square strips tend to have a lower range of accuracy.
Safety:
- Always handle chemicals and dispose of test strips according to safety guidelines.
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