Buffer Solution pH4.01 - HI7004, Hanna Instruments, 500ml/bottle

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Buffer Solution pH4.01 is a high-quality calibration solution produced according to ISO 3696/BS 3978 standards. It uses high-purity salts, deionized water, and is prepared with certified weight checks and Type A glass in a temperature-controlled environment monitored by a certified thermometer.

Buffer Solution pH4.01 - HI7004, Hanna Instruments, 500ml/bottle

The solution does not contain any dyes that could cause staining or discoloration of the junction or reference cell of the electrode.

Technical specifications:

  • Solution color: Colorless.
  • Standard solution: pH 4.01 NIST.
  • Accuracy: ±0.01 pH at 25°C.
  • Temperature compensation: Actual pH value table according to temperature is printed on the bottle."

Applications:

It is widely used in laboratories, research centers, production facilities, and factories.

Usage instructions:

  • Pour a small amount of the calibration solution into a clean plastic cup, enough to fully submerge the electrode, sensor, and pH junction in the calibration solution.
  • Follow the calibration instructions provided with the electrode or corresponding meter.

Storage instructions:

  • After use, cover the bottle and store in a cool, dry place at room temperature (18-25°C), away from direct sunlight, and do not freeze.
  • Do not dilute or add any chemicals to the solution.
  • Always use fresh solution for each calibration.
  • Do not pour used solution back into the bottle.
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