Barium hydroxide

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Barium hydroxide

Barium hydroxide is a base (alkali). Under normal conditions exists in the form of Ba(OH)2 8H2O - colorless crystals with a density of 2, 18 g/CC At 78°C is melted in own water of crystallization. Pretty well soluble in water (3, 5 g barium oxide in 100 g water at 20°C). The aqueous solution is strongly alkaline response. Saturated at ordinary temperatures an aqueous solution of barium hydroxide called barium with water. Upon contact of the solution with air it absorbs carbon dioxide and becomes turbid from the deposition of barium carbonate.

The hydroxide of barium — sensitive reagent to the carbonate and sulfate ions. Hydroxide barium initiates a reaction of polymerization. Can also be used in the production of sugar, as a component of lubricants, for cleaning of vegetable and animal oils, for removal of sulphate ions from industrial solutions.

• In the chemical industry as a raw material for producing barium salts, reagent obtain the alkali rubidium and cesium from their sulphates and carbonates.
• For purification of food oils and fats from sulfates, for allocation of white sugar from molasses (a thick syrupy dark liquid in the production cane sugar).
• In the oil industry for the preparation and cleaning of drilling fluids.
• In the laboratory for the titration of organic acids; as an indicator the sulfate ions SO42−, carbonate-ions CO32−, dioxide carbon.
• For the production of lubricants, additives for technical oils.
• For purification of industrial solutions from sulfate ions.
• In non-ferrous metallurgy.

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