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  • ~ -- The separation of the iron from the other substances is as follows: -- Silica is removed by evaporating the acid solution, and taking up with acid, as described under _Silica_; the whole of the iron will be in solution.

    A Text-book of Assaying: For the Use of Those Connected with Mines.

  • Any silica carryover ized areas to thousand of parts per million even can promote deposits on steam turbine blades. though the water contains the normally recom­ Silica carryover at pressures about 600 psig (40 mended levels of these compounds.

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  • Silica is also applied, which results in the signature glassy shine.

    A Family Tradition: The Pineapple Pottery Of Hilario Alejos Madrigal

  • Silica, which is a common constituent of brickmaking soils in the form of quartz, changes its crystal form at 573 °C.

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  • If demand for frac sand continues to rise, and if the general economic recovery continues to result in increased demand from other industries, U.S. Silica expects prices to go even higher.

    Eight Deals Aim to Hit the Market

  • U.S. Silica specializes in commercial silica used in a variety of industries, the most prominent being "frac sand" to stimulate oil and gas recovery in formations such as shale.

    Eight Deals Aim to Hit the Market

  • More photos and interactive graphics Interactive: Track IPO Performance FOR SUMMARY BULLET Another deal of note comes Wednesday from U.S. Silica Holdings Inc., which wants to raise as much as $212 million as "SLCA" on the NYSE.

    Eight Deals Aim to Hit the Market

  • Such a poor performance stung investors, particularly in the case of two deals that were said to be oversubscribed and priced within their range, only to disappoint once they began trading: U.S. Silica Holdings Inc. and AVG Technologies N.V.

    Buyers Drive IPO Price Cuts, Bringing Good Debuts

  • Silica aerogel, prepared at the Jet Propulsion Laboratory, has flown on several Space Shuttle missions.

    A Real Spinoff that NASA Has Seemingly Forgotten About - NASA Watch

  • Whitening: Silica and enzymes act as mild abrasives to scrape surface stains, such as those caused by coffee, tea or red wine.

    Whitens, Brightens and Confuses


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