Definition: Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.
occurs in nature as chalk, limestone or marble; used in med as a buffer in hemodialysis
Pharmacological ActionAntacids ExamplesNacre
Other names Carbonate, Calcium; Calcium Milk; Vaterite; Milk of Calcium; Marble; Limestone; Chalk; Calcite; Aragonite