| calcium carbonate |
A compound which contains calcium combined with carbonate. It occurs in nature as limestone, marble, chalk, marl, shells, and similar substances.
출처: www.spectrumanalytic.com/support/library/ff/Common...
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| calcium carbonate |
(CaCO3) - A chemical compound found in nature as calcite (in limestoner, marble, and chalk) and argonite (in pearls) and in plant ashes, bones, and many shells.
출처: www.eaglespring.com/general.htm
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