500ml bottle of pH 4.01 calibration solution by Hanna Instruments
This bottle of pH calibration solution is calibrated at a pH of 4.01.
The use of calibration solutions is fundamental to properly calibrating your measurement system.
A correct calibration will allow you to have precise and reproducible results. (At least 1x/month)
Bottle delivered with its certificate of analysis. This undersigned certifies the data and specifications of the results obtained by tests and trials and are NIST certified.
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