Description
pH 4.01 calibration solution from Milwaukee – buffer in a 230 ml bottle
This is a pH 4.01 buffer solution for calibrating pH meters, in a 230 ml bottle. The buffer is laboratory grade and certified to an accuracy of ± 0.01 pH at 25 °C. A ready-made buffer removes the uncertainty of mixing your own solution from powder.
Calibrating a pH meter is easy and should be done at least once a month. For 2-point calibration, use it together with pH 7.01 buffer.
Technical data
- pH value: 4.01
- Accuracy: ± 0.01 pH at 25 °C
- Volume: 230 ml
- Manufacturer: Milwaukee
Frequently asked questions about pH 4.01 calibration solution
How often should I calibrate my pH meter?
At least once a month. Also calibrate if readings seem unstable or inaccurate.
Why do I need both pH 4.01 and pH 7.01?
In 2-point calibration the meter uses two known values. With pH 4.01 and 7.01 you cover the range where mash and wort sit, around pH 5.2–5.6.
Which pH meters is the buffer suitable for?
It suits pH meters calibrated with pH 4.01 buffer, such as the Milwaukee PH56 PRO.
How accurate is the buffer?
The buffer is certified to an accuracy of ± 0.01 pH at 25 °C.
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