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Hydrocerussite
White lead is the basic lead carbonate 2PbCO3·Pb(OH)2. It is a complex salt, containing both carbonate and hydroxide ions. White lead occurs naturally as a mineral, in which context it is known as hydrocerussite, a hydrate of cerussite. It was formerly used as an ingredient for lead paint and a cosmetic called Venetian ceruse, because of its opacity and the satiny smooth mixture it made with dryable oils. However, it tended to cause lead poisoning, and its use has been banned in most countries. White lead compounds known as lead soap were also used as additive for lubricants for bearings and in machine shops. Lead soap was also used as an oil drying agent for paints made with drying oil or air drying paints made with alkyd resins. Lead is often used with cobalt driers. Lead free substitutes have been developed to replace this use of lead in paint. History What is commonly known today as the "Dutch method" for the preparation of white lead was described as early as Theoph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vasa Color Pigments
Vasa may refer to: Places * Vaşa, Azerbaijan * Vasa County, a historic county in modern-day Finland * Vaasa or Vasa, Finland * Vasa, Rajasthan, a village in Sirohi District, Rajasthan, India * Vasa, Palghar, a village in Maharashtra, India * Väsa, a village in Dalarna, Sweden * Vasa Loch, a brackish lagoon in Shapinsay, Orkney Islands, Scotland, UK * Vasa Township, Goodhue County, Minnesota, U.S. Other uses * Vasa (name), a surname and given name (including a list of people with the name) * ''Vasa'' (ship), a Swedish warship that sank in 1628 * House of Vasa, a medieval Swedish noble family, the royal house of Sweden 1523–1654 and of Poland 1587–1668 * Order of Vasa, a Swedish order of chivalry, awarded to citizens of Sweden ** Vasa Medal, a Swedish medal * ''vasa'' gene, a gene that is essential for germ cell development * Vasa IFK, a Finnish football club * Vasa parrot, a genus of parrots from Madagascar * Vasa Museum, a museum in Stockholm, Sweden See also ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
