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Barium Hydroxide |
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barium hydroxide [′bar·ē·əm hī′dräk‚sīd]
(inorganic chemistry) Ba(OH)2·8H2O Colorless, monoclinic crystals, melting at 78°C; soluble in water, insoluble in acetone; used for fat saponification and fusing of silicates. Barium Hydroxide caustic baryta, Ba(OH)2, a base (alkali). Under ordinary conditions it exists in the form Ba(OH)2-8H20—colorless crystals with a density of 2.18 g/cm3. At 78° C it melts in its own water of crystallization. It is readily soluble in water (3.5g BaO in 100 g H20 at 20° C). The aqueous solution has a strongly alkaline reaction. The saturated aqueous solution of barium hydroxide at ordinary temperatures is called baryta water; upon contact of this solution with air, it absorbs CO2 and becomes turbid owing to the precipitation of barium carbonate. Barium hydroxide is a sensitive reagent for carbonate and sulfate ions. It initiates polymerization reactions and is also used in the production of sugar. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | Users can also load the PIXMA Pro9000 Mark II with a variety of specialist, third-party medias -- such as Baryta types, canvas, and numerous other Fine Art medias -- from leading manufacturers including Canson, HahnemE-hle, Innova, PCM Takeo and Pictorico. Although many homoeopathic medicines like Arsenic Sulph Falvus, Arsenic Album, Baryta Mur and Baryta Carb are known to give good results in vitiligo, the fact is that the real cure of vitiligo occurs when the prescription is made according to the true principles of homoeopathic philosophy - treating that "deep causative factor" behind this inner disturbance. Widely associated with premium quality silver gelatin papers such as MULTIGRADE FB, Baryta is a special coating that is traditionally applied to a fiber photograph. |
baryta |
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