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calcium carbonate Definition

calcium carbonate

noun

a white powder or colorless, crystalline compound, CaCO, found mainly in limestone, marble, and chalk, as calcite, aragonite, etc., and in bones, teeth, shells, and plant ash: it is used in making lime, paints, plastics, etc.

calcium carbonate Usage Examples

Converse of object

  • contain: This type is most commonly used and contains calcium carbonate.
  • form: The hydroxide can then be reacted with carbon dioxide to form calcium carbonate.
  • use: The main points of your case For chemical use it is essential that the calcium carbonate used is pure.
  • precipitate: Also being launched on Stand 3344 will be the latest surface activated precipitated calcium carbonate from Longcliffe.
  • dissolve: Surface water carrying dissolved calcium carbonate has cemented these angular fragments together in many places forming a breccia.
  • suspend: The analysis of the samples was very difficult because of high quantities of suspended calcium carbonate.

Preposition: in

water: Smith, C.L. ( 1941 ) The solubility of calcium carbonate in tropical sea water.

Adjective modifier

  • pure: The limestone is 90 % pure calcium carbonate of a very high grade.
  • colloidal: Therefore the true concentration of the colloidal calcium carbonate is likely to have been 89 or 101 ppm as CaCO3.
  • free: The decrease took so long because the free calcium carbonate in the soil was also dissolved by the acidification.
  • high: Volcanic rock of high calcium carbonate underlies the western region; sedimentary sandstone occurs on the coastal flank.

Modifies a noun

  • skeleton: The calcium carbonate skeletons gradually accumulate and the reef grows.
  • shell: A large amount of the fixed carbon is used by marine zooplankton to make calcium carbonate shells.
  • content: Such graphs could be used to indicate properties such as calcium carbonate content, or to detect mineral species that reflect distinctive color bands.
  • product: The Paper Industry has been traditionally a major user of clay but calcium carbonate products are now the more important.
  • biominerals: I am interested in both the environmental and biological controls on trace element distribution in calcium carbonate biominerals.
  • crystal: Calcium carbonate crystals also build up in our clothing with time, causing the colors to fade.

Noun used with modifier

  • %: The Chalk is white limestone comprising over 95 % calcium carbonate.
  • hydrogen: The water being saturated with carbon dioxide creates an acidic medium in which the coral sand is dissolved as calcium hydrogen carbonate.
  • mineral: In geology, the cement of breccias and conglomerates is usually silica, iron oxides or calcite ( mineral calcium carbonate ).