Milwaukee MA9004 pH 4.01 Calibration Solution

SKU: MA9004
SIZE: 230 mL
ACCURACY: ±0.01 pH
Milwaukee MA9004 pH 4.01 Calibration Solution has been successfully added to your cart. Feel free to continue shopping or check out.


Probe calibration is a simple procedure for optimal performance and should be done any time your readings become suspect. Calibration should be performed at least once a month.
MA9004 is a lab grade pH 4.01 buffer solution certified to meet the standard to an accuracy of ±0.01 pH removing the inaccuracies involved with mixing buffers.
Milwaukee solutions are designed to help you achieve reliable and repeatable pH measurements while extending the life of your electrode.


  • pH 4.01 Calibration Buffer Solution (230 mL)
  • Fundamental for the correct use of electrodes and for obtaining the most accurate and reproducible readings
  • Sealed against light with air tight, tamper proof cap
  • Ideal for fast calibration
  • Simply open, pour into a beaker or container and insert the tester or electrode to start the calibration process.


Accuracy: Standard ±0.01 pH
pH Value: @25°C 4.01
Package: Bottles - size 230 mL
Quantity: 1
Certificate of Analysis: No

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