| temporary hardness |
Hardness is produced by calcium and magnesium in water. These ions cause a precipitate with soap. Temporary hardness is caused by bicarbonate and can be removed by boiling which converts the bicarbonate to carbon dioxide and calcium carbonate.
출처: eies.njit.edu/~kebbekus/definitions-aquatic-chem%2...
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| temporary hardness |
Hardness in water that can be removed by boiling.
출처: www.beerbooks.com/resource/quick/glossary.html
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