What is the concentration of chloride which gave unacceptable taste of water?
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In fact, they are desirable for this reason. Excessive concentrations of either, of course, can make water unpleasant to drink. The EPA Secondary Drinking Water Regulations recommend a maximum concentration of 250 mg/1 for chloride ions and 250 mg/1 for sulfate ions (expressed as Cl- and S04--, not as CaC03
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Chloride. High concentrations of chloride give a salty taste to water and beverages. Taste thresholds for the chloride anion depend on the associated cation and are in the range of 200–300 mg/l for sodium, potassium and calcium chloride.
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