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turn into a carbonate

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treat with carbon dioxide

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References in periodicals archive ?
The visual changes included darker color of the lubricant, steel and copper coupons, as well as presence of white film and deposit; however, there was no carbonate ion and no metal.
Some of the hydrogen ions bind with existing carbonate ions in seawater to form bicarbonate.
In a solution containing Ca, Mg, and carbonate ions for example will preferentially deposits CaC[O.
A lowering pH and reduction in carbonate ions will make it more difficult for organisms to sustain their calcified shells, and in under-saturated conditions, waters become corrosive to these minerals.
The rate of film growth depends upon the solubility product, Ksp, for iron and carbonate ions, which were empirically modelled from IUPAC data (1971), and the supersaturation, which is defined below:
Of the bicarbonate present, approximately 20 to 40% undergoes thermal decomposition to carbonate ion.
The evaluation of in vitro effects included (i) the use of the XTT reduction as a physiological marker of cell metabolism and (ii) the assessment of carbonic anhydrase activity as a biochemical marker of carbonate ion formation.
1] are indicative of the carbonate ion substitution [5] which might have come from the source (eggshell) and for the sample heated at 900[degrees]C, peak at 875[cm.
As the carbonate ion concentration drops, shells dissolve, releasing the ion into the water.
Coral and a group of organisms known as calcifying algae require a higher concentration of carbonate ion and hence are more vulnerable to the extra carbon dioxide than are clams, say the researchers.
As CO2from the atmosphere is churned into the world's waters, it reduces the availability of carbonate ions needed by many marine animals and plants to build their shells and skeletons.
Elfil and Hannachi consider the monohydrated form of calcium carbonate instead of calcite and they replaced the total dissolved salt TDS expressed in LSI by the activity coefficients of calcium and carbonate ions.
Chemical reactions caused by that excess CO2 have made seawater grow more acidic, depleting it of the carbonate ions that corals, mollusks and calcifying plankton need to build their shells and skeletons.
Once it sinks into the water, the carbon dioxide reacts with water molecules to form carbonic acid; the carbonic acid then releases hydrogen ions which in turn combine with carbonate ions (the ones that shellfish and other creatures need) removing them from the water.