Sample Preparation - Xylem No 60 Bedienungsanleitung

Commissioning
The combination electrode is now ready to measure.
Always leave the refilling opening of the reference
electrode open while measuring.
Calibration
Calibrate according to the data given in the
operating manual of the measuring instrument and
the analysis specification.

Sample preparation

Add 50 % TISAB/NO3 solution. This sample conditioning
solution creates optimum conditions for measuring. It
provides a constant ionic strength and similar diffusion
potentials at the reference electrode in standard and test
sample.
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