lecture on exp 1

lecture on exp 1 - 1 Experiment #1 Gravimetric Analysis...

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Experiment 1 Gravimetric Analysis 1 Experiment #1 1 Gravimetric Analysis Analytical Chemistry 2 Fundamental branch of Chemistry that involves separating, identifying, and determining the relative amounts of the components in a sample of matter Qualitative Analysis : Identifying the chemical species that make-up a sample Quantitative Analysis : Determining the relative amount of one or more of these species, or analytes , in numerical terms Gravimetric Analysis 3 Quantitative analysis based upon mass measurements with an analytical balance Two primary ways of gravimetric analysis: Combustion: resulting residues are collected Combustion: Precipitation : one component is “crashed out” of solution Experiment 1 involves precipitation of the Al 3+ ion
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Experiment 1 Gravimetric Analysis 2 Precipitating Agent 4 Organic precipitating agent used to precipitate Al 3+ : 8-hydroxyquinolinate anion (Ox - ) 8-hydroxyquinoline (OxH) 8-hydroxyquinolinate (Ox
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This note was uploaded on 07/24/2010 for the course CHEM CHEM 6BL taught by Professor Berniolles during the Summer '08 term at UCSD.

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lecture on exp 1 - 1 Experiment #1 Gravimetric Analysis...

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