Lab Proposal

Chemistry Lab 1211Thursday/ 12:00pm| 2009| | Brian Longoria/Ally Orr/ Paige Reece/Michael Smith | | | experimentation 29 -------Hydro metallurgy to Analyze a Chromite S adenosine monophosphatele (A Self-Directed Experiment) * train:To avow the presence of the components of Chromite- exhort, 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, upshot & 4 M Sodium hydroxide resolving power * Zinc metal * MeasureNet® spectrophotometer and cuvettes * Normal lab glasswork and equipment * INTODUCTION Chromite is the totally 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 corrosio n and oxidation. Chromium has some other more familiar everyday uses including: the plating in metals, pigments, slash processing, catalysts, surface treatments, and refaractories. The most common form of chromite is the obscure crusade magnesium chromium oxide.

However, in some samples, magnesium rout out veer for iron, and aluminum and ferric ions can substitute for chromium (Experiment 29379). A procedure that utilizes aqueous solution alchemy for the recovery of metals from salts, minerals, or ores by extractive metallurgy is known hydrometallurgy. The source tint of the process is extracting the metal. Extraction is the process of removing metal from ore by fade o ut the metal in a suitable solvent, whence ! retrieve the metal from the solution, and discarding bollix materials; operations to perform extraction includes take away (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 chemical or...If you want to get a full essay, read it on our website: OrderEssay.net

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