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pH Meter for Wine Analysis PDF Print E-mail
General Instruments - pH Meter

 

HI 222 is the only pH meter on the market today that
allows for automatic pH calibration at pH 3 and pH
7. With pH 3.00 buffer, any error due to calibration
will be minimized.
Recognizing dirty pH electrodes
Most pH measurements in the process of making
wine are made in the must. Tannins and other
compounds in the complex mixture have an affinity
for and adhere strongly to the electrode surface.
Thus, a pH electrode will dirty very rapidly in the
must solution; the result of sediments depositing on
the sensitive pH bulb and on the electrode junction.

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