calcium sulfate

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Noun1.calcium sulfate - 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 ?
Tetrahydroxy jojoba oil (178.7 g, 251.4 mmol), acetic anhydride (216.0 g, 2.12 mol), and p-toluene sulfonic acid (1.0 g) were placed into a flame-dried 1.0 liter round-bottomed flask (RBF) fitted with a heating mantle, a magnetic stir bar, and a reflux condenser protected with a drierite tube.
To minimize the effects of water condensation in the tubes, a laboratory gas drying unit (i.e., a polycarbonate tube with filters, and filled with Drierite desiccant) was installed before filling the Tedlar bags.
B) Arena with chamber lids removed: d: filter paper semicircle; e: Drierite introduction chamber;/: H20 chamber; g: Mg[Cl.sub.2] camber; h: Mg[(N[O.sub.3]).sub.2] chamber; i: NaCl chamber.
The 0% RH condition was maintained with anhydrous calcium sulfate at 25 [degrees]C in a glass desiccator (Drierite; 1.5 x [10.sup.-2]% RH; W.