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alum powder

См. также в других словарях:

  • Alum — This article is about the chemical compound. For other uses, see Alum (disambiguation). Bulk alum Alum (  / …   Wikipedia

  • alum — alum1 /al euhm/, n. Chem. 1. Also called potash alum, potassium alum. a crystalline solid, aluminum potassium sulfate, K2SO4·Al2(SO4)3·24H2O, used in medicine as an astringent and styptic, in dyeing and tanning, and in many technical processes. 2 …   Universalium

  • alum — A double sulfate of aluminum and of an alkaline earth element or ammonium; chemically, an a. is any one of the markedly astringent double salts formed by a combination of a sulfate of aluminum, iron, manga …   Medical dictionary

  • Potassium alum — Chembox new Name = Potassium aluminium sulfate ImageSize = 200px OtherNames = potassium alum, potash alum Section1 = Chembox Identifiers CASNo = 7784 24 9 Section2 = Chembox Properties Formula = KAl(SO4)2 MolarMass = 258.207 g/mol Density = 1.76… …   Wikipedia

  • Soda alum — Sodium alum, Na2SO4·Al2(SO4)3·24H2O, is a form of alum, which mainly occurs in nature as the mineral mendozite. It is very soluble in water, and is extremely difficult to purifyFact|date=September 2008. In the preparation of this salt, it is… …   Wikipedia

  • chrome alum — 1. Also called ammonium chrome alum, ammonium chromic sulfate. a green, crystalline, water soluble powder, chromium ammonium sulfate, CrNH4(SO4)2·12H2O, used chiefly as a mordant in dyeing. 2. a violet, crystalline, water soluble powder,… …   Universalium

  • White powder — White White (hw[imac]t), a. [Compar. {Whiter} (hw[imac]t [ e]r); superl. {Whitest}.] [OE. whit, AS. hw[imac]t; akin to OFries. and OS. hw[=i]t, D. wit, G. weiss, OHG. w[=i]z, hw[=i]z, Icel. hv[=i]tr, Sw. hvit, Dan. hvid, Goth. hweits, Lith.… …   The Collaborative International Dictionary of English

  • chrome alum — chrome′ al um n. chem. a violet powder, CrK(SO4)2∙12H2O, used in photography, in tanning, and as a mordant in dyeing …   From formal English to slang

  • Liste von Flüssen in den Vereinigten Staaten — Die folgende Liste zeigt eine Vielzahl von Flüssen in den Vereinigten Staaten und deren Territorien auf Inhaltsverzeichnis A B C D E F G H I J K L M N O P Q R S T …   Deutsch Wikipedia

  • stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… …   Medical dictionary

  • Traditional dyes of the Scottish Highlands — are the native vegetable dyes used in Scottish Gaeldom.The following are the principal dyestuffs with the colours they produce. Several of the tints are very bright, but have now been superseded by various mineral dyes. The Latin names are given… …   Wikipedia

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