Barium hydroxide octahydrate

Barium hydroxide octahydrate

[name] barium hydrogenation octahydrate

"English name" Barium hydroxide octahydrate

Molecular formula:Ba(OH)2.8H2O.

[molecular weight] 315.48

[properties] colorless or white crystals.Soluble in water and methanol, soluble in ethanol.2.18 g/cm3 density, melting point 78 ℃, boiling point 108.5 ℃, aqueous solution is strongly alkaline, absorb carbon dioxide in the air, forming barium carbonate precipitation change solution to muddy.At 300 ℃ decomposition, when heated to 780 ℃ lose crystal water and become anhydrous barium hydroxide, poisonous.

[use] used as an analytical reagent, such as the preparation of a standard solution of alkali, the precipitant of CO2;Chemical industry is used to make other barium salts, organic barium compounds and barium base grease.The food industry is used for refined animal and vegetable oils, sucrose, beet;The daily chemical industry is used as the raw material for the production of perm.The oil industry is used as a multipotent additive;The glass honing industry is used as the raw material for producing glass and enamel.In addition, it is also used as a treatment agent for silk and rayon, the hard water softener of boiler, and neutralizing agent;It is used to make resin glue catalyst, iron ore sinter and synergist.Precipitate sulfate ions in water treatment.

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