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| WLN-M.B.08.04 | Determination of pH with field pH-meters | in accordance with NEN-ISO 10523 |
| Principle: | The pH is measured by means of a combined electrode. This consists of a reference electrode (calomel electrode, filled with a saturated potassium chloride solution) and an indication electrode (glass electrode). At the interface of two solutions with different concentrations a difference of potential is present. By means of the combined electrode this difference of potential is measured and read off by means of a pH meter. | |
| Determination: | pH, in situ | |
| Performance characteristics: | ||
| Matrices qualified by the Dutch RvA: | Drinking water, Groundwater, Surface water, Swimmingpool water | |
| Measurement uncertainty: | 0.3pH | |
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| [ 11-03-2021 23:15:59 ] |