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Calcium sulfate (or calcium sulphate) is the inorganic compound with the formula CaSO 4 and related hydrates. In the form of γ- anhydrite (the anhydrous form), it is used as a desiccant . One particular hydrate is better known as plaster of Paris , and another occurs naturally as the mineral gypsum .
Bioremediation may be used to clean up already contaminated water and soil. Microbials can remove heavy metals, radioactive material [citation needed], and any organic pollutants within, and reduce the sulfate material. [17] With suitable soil amendments and additives, PG can also support the growth of hardy plants, hopefully preventing further ...
Gypsum is deposited from lake and sea water, as well as in hot springs, from volcanic vapors, and sulfate solutions in veins. Hydrothermal anhydrite in veins is commonly hydrated to gypsum by groundwater in near-surface exposures. It is often associated with the minerals halite and sulfur. Gypsum is the most common sulfate mineral. [17]
Calcium 5'-ribonucleotides – flavor enhancer; Calcium acetate – preservative, acidity regulator; Calcium alginate – thickener, vegetable gum, stabilizer, gelling agent, emulsifier; Calcium ascorbate – antioxidant (water-soluble) Calcium aluminosilicate (calcium aluminium silicate) – anti-caking agent; Calcium ascorbate (Vitamin C) –
The New York State Agricultural Experiment Station recipe for the concentrate suggests starting with 80 lb. of sulfur, 36 lb. of quicklime, and 50 gal. of water, equivalent to 19.172 kg of sulfur and 8.627 kg of calcium oxide per 100 litres of water. About 2.2:1 is the ratio (by weight) for compounding sulfur and quicklime; this makes the ...
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
antioxidant (water-soluble) 302 A E U calcium ascorbate: antioxidant (water-soluble) 303 A U potassium ascorbate: antioxidant (water-soluble) 304 A E U ascorbyl palmitate, ascorbyl stearate: antioxidant (fat soluble) 307 A E U tocopherols: 307a A E U l-alpha-tocopherol: antioxidant 307b A E U mixed tocopherol concentrate antioxidant 307c A E U
The tables below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere pressure. Units of solubility are given in grams of substance per 100 millilitres of water (g/(100 mL)), unless shown otherwise.