Term
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Definition
| water containing high concentrations of calcium (Ca2+), magnesium (Mg2+), and/or iron(III) (Fe3+) ions |
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Term
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Definition
| a process for softening water in which hard-water ions (such as Ca2+ and Mg2+) are exchanged for other ions (such as Na+) |
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Term
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Definition
| a compound or mixture of compounds to assist cleaning that does not form insoluble precipitates with Mg2+ or Ca2+ as soaps do |
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Term
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Definition
| a device containing an ion-exchange resin that is used to treat water by removing ions causing water hardness |
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