lead froth

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• Lead — (pronEng|ˈlɛd) is a main group element with a symbol Pb ( la. plumbum). Lead has the atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish white color when freshly cut, but… …   Wikipedia

• Froth flotation — Diagram of a cylindrical froth flotation cell with camera and light used in image analysis of the froth surface. Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in several processing… …   Wikipedia

• lead processing — Introduction       preparation of the ore for use in various products.       Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …   Universalium

• Copper extraction techniques — This article is about historical production methods. For modern methods, see Flash smelting. The Chino open pit copper mine in New Mexico …   Wikipedia

• Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …   Wikipedia

• flotation — /floh tay sheuhn/, n. 1. an act or state of floating. 2. the launching of a commercial venture, bond issue, loan, etc. 3. Metall. a process for separating the different minerals in a mass of powdered ore based on their tendency to sink in, or… …   Universalium

• Chocolate — For other uses, see Chocolate (disambiguation). Chocolate most commonly comes in dark, milk, and white varieties, with cocoa solids contributing to the …   Wikipedia

• liquid — liquidly, adv. liquidness, n. /lik wid/, adj. 1. composed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid. 2. of, pertaining to, or consisting of liquids: a liquid diet. 3 …   Universalium

• History of creationism — The history of creationism is tied to the history of religions. The term creationism in its broad sense covers a wide range of beliefs and interpretations, and was not in common use before the late 19th century. Following the spread of… …   Wikipedia

• pottery — /pot euh ree/, n., pl. potteries. 1. ceramic ware, esp. earthenware and stoneware. 2. the art or business of a potter; ceramics. 3. a place where earthen pots or vessels are made. [1475 85; POTTER1 + Y3] * * * I One of the oldest and most… …   Universalium

• zinc processing — Introduction       preparation of the ore for use in various products.       Zinc (Zn) is a metallic element of hexagonal close packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can …   Universalium