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Hardness as Calcium Carbonate

The value obtained when the hardness-forming salts are calculated in terms of equivalent quantities of calcium carbonate.

This method of water analysis provides a common basis for comparison of different salts and compounds.

See Also: Calcite Calcium Carbonate Calcite Carbonate Hardness Bicarbonate Hardness Hardness Plastic Pipe Calcium Carbonate Total Hardness (TH) Soda Ash Calcium Carbonate