• pH 4.01 Calibration Buffer Solution (230 mL)
• Accuracy: Standard ±0.01 pH
• pH Value: @25°C 4.01
• Package: Bottles - size 230 mL
• Quantity: 1

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.

Design Features

• 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 the light with an airtight, 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

Specifications

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