500ml bottle of pH 6.86 calibration solution by Hanna Instruments

This bottle of pH calibration solution is calibrated at pH 6.86.

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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