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| Carbonate and/or bicarbonate is titrated with hydrochloric acid up to a pH between 4 and 5. The pH of the equivalence point is strongly dependent on the carbon dioxide present. To a lesser extent the temperature and ionicstrength have an influence on the equivalence point. The equivalencepoint is determined with the 1st derivative of the titration curve. |
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| Matrices qualified by the Dutch RvA: | Drinking water, Groundwater, Surface water |
| Reporting limit: | 10 mg/l, matrix dependent |
| Measurement uncertainty: | 15% |
| Sustainability: | 1 day
|
| Sampling bottle: | Plastic
, clear
, 500 ml
(fill up to cap)
|
