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calcium hardness

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calcium hardness [′kal·sē·əm ‚härd·nəs]
(chemistry)
Presence of calcium ions in water, from dissolved carbonates and bicarbonates; treated in boiler water by introducing sodium phosphate.
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The swimming pool chemicals are utilized to maintain the pool water alkalinity, calcium hardness and pH.
Swimming Pool Supplies to Keep You Cool by John Richards01 / Business community
Too low calcium hardness results to deterioration of your pool interior materials (most especially the plaster) and water can become aggressive.
Pool Pebble the Importance of Maintaining the Right Calcium Levels ... by Chris Turley / Home based business community
Very high relative carbonate concentration induces rapid calcium carbonate precipitation directly on the cathode as in classical fouling of process electrolysis cathodes exposed to water containing calcium hardness.
Electrochemical cooling water treatment: a new strategy for control ... by Becker, Henry A.; Cohen, Jon J.; Zdunek, Alan D. / ASHRAE Transactions
 
 
 
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