Lab Proposal

Chemistry Lab 1211Thursday/ 12:00pm| 2009| | Brian Longoria/Ally Orr/ Paige Reece/Michael Smith | | | examine 29 -------Hydro metallurgy to Analyze a Chromite S adenosine monophosphatele (A Self-Directed Experiment) * determination:To avow the presence of the components of Chromite- straighten out, Magnesium, and atomic number 24- in an aqueous beginning in put in to identify and unknown sample of ore. * MATERIALS: * Iron (III) nitrate, solid & Chromium (III) nitrate, solid * 1.00 M Hydrochloric acid, dissolver & 4 M Sodium hydroxide resolving * Zinc metal * MeasureNet® spectrophotometer and cuvettes * Normal lab glasswork and equipment * INTODUCTION Chromite is the only if mineral ore of chromium. Chromium has various uses including the production of guiltless steel, enhancement of nonferrous alloys , hardenability and the adjustments of these alloys to be more resistant to co rrosion and oxidation. Chromium has different more familiar everyday uses including: the plating in metals, pigments, welt processing, catalysts, surface treatments, and refaractories. The most common form of chromite is the obscure press magnesium chromium oxide.

However, in some samples, magnesium go off veer for iron, and aluminum and ferric ions can substitute for chromium (Experiment 29379). A procedure that utilizes aqueous solution interpersonal chemistry for the recovery of metals from salts, minerals, or ores by extractive metallurgy is known hydrometallurgy. The source stair of the process is extracting the metal. Extraction is the process of removing met! al from ore by dissolution the metal in a suitable solvent, whence find the metal from the solution, and discarding bobble materials; operations to perform extraction includes leach (dissolving by water or acid), which is common with additive agents; separating the waste and purifying the leach solution; and precipitating the metal or one of its pure compounds from the leach solution by chemic or...If you want to get a full essay, read it on our website: BestEssayCheap.com

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