calcium carbonate


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Related to calcium carbonate: Calcium citrate
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Words related to calcium carbonate

a salt found in nature as chalk or calcite or aragonite or limestone

References in periodicals archive ?
This report provides detailed historical analysis of global market for Synthetic Calcium Carbonate from 2013-2018, and provides extensive market forecasts from 2019-2028 by region/country and subsectors.
The obvious exception is the Hubercarb[R] M3 calcium carbonate produced in Marble Falls, TX.
Omya Calcipur natural calcium carbonates are compliant with the most stringent international food standards (E170 purity standard and the Food Chemical Codex).
Huber Carbonates launched a series of ground calcium carbonates earlier this year at The Precast Show in Denver, underscoring the powders' capacity to replace fly ash; improve concrete mix workability; contribute to self-consolidating mix spread profile; and, maintain consistent white color without impacting fresh or hardened concrete properties.
In the FT-IR spectrum of Anadara granosa seashell powder as shown in the figure 1, a peak observed at 1080 [cm.sup.-1] was due to symmetric stretching C-O (vl) of calcium carbonate which correlated with the report [9].The sharp peak observed at 861 [cm.sup.-1] (v2) was due to in plane of bending mode in C-O bond which confirmed the presence of calcium carbonate in the shell.
It indicates that the microbe was involved in the formation of calcium carbonate crystals.
As a matter of fact, a natural marine product, namely, the cockle (Anadara granosa) shell, has been widely reported to have good quality and pure calcium carbonate aragonite polymorph content [1, 4, 7, 9, 10, 26].
It should be noted that the material produced through the reactions is not harmful to concrete materials because the precipitates are mainly comprised of calcium carbonate which is one of the reaction products formed by carbonation of hydration products.
One of the most widespread types of excipients is a fine-grained chalk (calcium carbonate).
Recent studies show that calcium carbonate stones are more frequent in children which could be related to the smaller size of their cystic ducts.5,6
In a randomized, double-blind, and crossover design, participants received calcium carbonate or tricalcium phosphate providing 250 mg calcium/capsule twice daily with meals, a dose contained in commonly consumed antacids [5], each for 2 weeks, with a 2-week baseline and 2-week washout.
Emelda Ongo, team leader of the five-man team from ITDI's environmental and biotechnology division working on the research, said they have developed a mixture of chitosan and calcium carbonate using the household waste materials to absorb the oil from the water.
TEHRAN (FNA)- The use of calcium carbonate in drug delivery applications has been highly interesting to researchers in recent years.
OverCoat slab dips, based on conventional calcium and zinc stearate, calcium carbonate and kaolin, are said to provide enourmous freight savings, significant savings in floorspace, vastly improved convenience and complete elimination of product spoilage, the need to protect from freezing, and having to recycle drums and totes.