Lab Proposal

Chemistry Lab 1211Thursday/ 12:00pm| 2009| | Brian Longoria/Ally Orr/ Paige Reece/Michael Smith | | | audition 29 -------Hydro metallurgy to Analyze a Chromite S adenosine monophosphatele (A Self-Directed Experiment) * decision:To avow the presence of the components of Chromite- adjure, 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, effect & 4 M Sodium hydroxide ascendant * 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, sweetening of nonferrous alloys , hardenability and the adjustments of these alloys to be more resistant to corrosion and oxid ation. Chromium has opposite more familiar everyday uses including: the plating in metals, pigments, lash processing, catalysts, surface treatments, and refaractories. The most common form of chromite is the obscure urge on magnesium chromium oxide. However, in some samples, magnesium feces veer for iron, and aluminum and ferric ions can substitute for chromium (Experiment 29379). A procedure that utilizes aqueous solution chemical science for the recovery of metals from salts, minerals, or ores by extractive metallurgy is known hydrometallurgy. The source quantity of the process is extracting the metal. Extraction is the process of removing metal from ore by profligacy the metal in a suitable solvent, whence recover the metal from the solution, and discarding fantastic materials; operations to perform extraction includes withdraw (dissolving by water or acid), which is common with additive agents; separating the waste and purifying the leach solution; a nd precipitating the metal or one of its pur! e compounds from the leach solution by chemical or...If you want to get a full essay, read it on our website: OrderEssay.net

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