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Calcium is a chemical element; it has symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. It is the fifth most abundant element in Earth's crust, and ...
Calcium chloride is commonly encountered as a hydrated solid with generic formula CaCl2·nH2O, where n = 0, 1, 2, 4, and 6. These compounds are mainly used for de-icing and dust control. Because the anhydrous salt is hygroscopic and deliquescent, it is used as a desiccant. [ 10 ]
Calcium hydroxide (traditionally called slaked lime) is an inorganic compound with the chemical formula Ca (OH) 2. It is a colorless crystal or white powder and is produced when quicklime (calcium oxide) is mixed with water. Annually, approximately 125 million tons of calcium hydroxide are produced worldwide. [8]
Spherification. Spherification is a culinary process that employs sodium alginate and either calcium chloride or calcium glucate lactate to shape a liquid into squishy spheres which visually and texturally resemble roe. The technique was documented by Unilever in the 1950s [1] and brought to the modernist cuisine by the creative team at El ...
Calcium gluconate is the calcium salt of gluconic acid and is used as a mineral supplement and medication. [1] As a medication it is used by injection into a vein to treat low blood calcium, high blood potassium, and magnesium toxicity. [1][2] Supplementation is generally only required when there is not enough calcium in the diet. [3]
Calcium carbonate is the active ingredient in agricultural lime and is produced when calcium ions in hard water react with carbonate ions to form limescale. It has medical use as a calcium supplement or as an antacid, but excessive consumption can be hazardous and cause hypercalcemia and digestive issues.
Calcium stearate is used as a flow agent and surface conditioner in some candies such as Smarties, jawbreakers and Sprees. It is a waterproofing agent for fabrics. A lubricant in pencils and crayons. A lubricant in the dry drawing method of wire production. The concrete industry uses calcium stearate for efflorescence control of cementitious ...
Calcium oxide (formula: Ca O), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic , alkaline , crystalline solid at room temperature . The broadly used term lime connotes calcium-containing inorganic compounds , in which carbonates , oxides , and hydroxides of calcium, silicon , magnesium ...
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