Description
Calibration solution pH 4.01 – buffer for calibrating pH meters
A pH meter needs regular calibration to measure accurately. This pH 4.01 buffer solution from Milwaukee is laboratory grade and certified to an accuracy of ±0.01 pH at 25 °C. It comes in a handy 20 ml single-use sachet, so you avoid the inaccuracies of mixing buffer from powder. Calibration is easy and should be done at least once a month.
Technical data
- pH value: 4.01
- Accuracy: ±0.01 pH at 25 °C
- Contents: 20 ml single-use sachet
- Manufacturer: Milwaukee (M10004B)
Frequently asked questions about pH 4.01 buffer solution
How often should the pH meter be calibrated?
At least once a month, and ideally before important measurements.
Do I need more than one buffer?
Most pH meters are calibrated at two points, usually pH 7.01 and pH 4.01. Check the instructions for your meter.
Why a single-use sachet?
A new sachet gives fresh buffer every time and avoids the inaccuracies of mixing buffer from powder.
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