Barium hydroxide (caustic barium, barium hydroxide) Ba (OH) 2 8H2O - colorless crystals. The reagent is highly soluble in water (3.75% anhydrous Ba (OH) 2 at 20 ° C), the solubility increases with heating. The solution is strongly alkaline. In contact with air, it absorbs CO2 and becomes cloudy as a result of the formation of insoluble BaCO3. When dried over concentrated H2SO4, barium hydroxide easily loses 7 molecules of water of crystallization, complete dehydration is achieved only at 120-150 °C. Melts in water of crystallization at 78 °C;
Barium hydroxide (barium hydroxide) is used:
- in the oil refining industry for the production of additives to oils;
- in non-ferrous metallurgy in the synthesis of a phenol-formaldehyde binder, as a catalyst in the chemical industry;
- in the production of batteries for constant current sources;
- upon receipt of a number of salts of reactive qualification;
- for purification from sulfate ions of various water-salt systems, etc.
You can buy barium hydroxide at Enterprise Himproduktsiya XXI LLC in Yekaterinburg.
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