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| Fluoride, chloride and sulphate are separated in a column filled with a low capacity ion exchanger consisting of inert cores of styrene/divinylbenzene copolymer to which tetramethylammonium groups have been applied. The separated ions are detected by measuring the specific (electrical) conductivity of the liquid flow. By placing a membrane suppressor after the separation column, the cations in the sampleand the sodium ions from the eluent are exchanged for the hydroniumions (H3O+). |
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| Matrices qualified by the Dutch RvA: | Wastewater, Drinking water, Groundwater, Surface water |
| Reporting limit: | 0.05 mg/l, matrix dependent |
| Measurement uncertainty: | 20% |
| Sustainability: | 28 days
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| Sampling bottle: | Plastic
, white
, 250 ml
(fill up to cap)
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