calcium sulphate

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Noun1.calcium sulphate - a white salt (CaSO4)
gypsum - a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
plaster of Paris, plaster - any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs
salt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
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References in periodicals archive ?
THE National Agency for Food and Drug Administration and Control (NAFDAC) says it has sanctioned two chemical companies for marketing calcium sulphate without listing certificate in Abuja.
The values of transpiration rate and stomatal conductance of the Cnidosculus philacanthus and Moringa oleifera species were higher in saline soils treated with calcium sulphate or elemental sulfur and in non-saline soil (Table 4).
Sulphur imparts deep rich green colour to plant canopy, especially in alfalfa, and is taken by plants in sulphate (SO 4 2- ) form sulphate is moderately susceptible to leaching in sandy soils, though not as much as nitrogen (N), due to formation of less soluble calcium sulphate in soils.
Other bone graft substitutes tend to be resorbed too early (e.g., calcium sulphate) [13] to allow bone regeneration or do not remodel into bone after several years (e.g., calcium phosphate) [14].
castanea treatments 0 (y = -0.0005 [x.sup.2] + 0.022x + 4.126); 750 (y = -0.000005 [x.sup.2] + 0.027x + 4.040); 1,125 (y = -0.0001 [x.sup.2] + 0.040 x + 4.700), and 1,500 kg [ha.sup.-1] of calcium sulphate (y = 0.000l [x.sup.2] - 0.05x + 8.855) (Fig.
Calcium sulphate on the other hand has a longhistory of use as a cost effective bone grafting material.
Scientists with the Institute of Polymer Chemistry and Technology, at the Italian National Research Council in Naples review recent technical literature on modification and applications of biodegradable composites, then report on bio-composites containing silica nanoparticles or calcium sulphate intended for bone regeneration.
How might doctors employ a form of calcium sulphate? 3.
Poona, were submerged for 10 minutes in water, 100 ppm of chlorine, acidified calcium sulphate (ACS-1.2% Safe2O-ACS 50), 1000 ppm of acidified sodium chlorite (Sanova), 80 ppm of peroxyacetic acid (Tsunami), and a combination of ACS and Tsunami.
What modelling material is the powdered hemihydrate of calcium sulphate better known as?