Lecture_overheads_-_Ch99

Lecture_overheads_-_Ch99 - CHEM 321 Quantitative Analysis...

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1. The Analytical Process 2. Instrumental Methods 3. Why I Like Analytical Chemistry – Example Applications 4. Course Evaluations IMPORTANT DEADLINES Lab Reports no lab reports accepted after last lab meeting Final Exam 10:45 am – 1:15 pm, Mon, Dec 19 Final Grades posted on or before Fri, Dec 23 Lab Reports contact your lab instructor to arrange pickup Final Exams contact lecture instructor for pickup (will keep until March 2012) CHEM 321 – Quantitative Analysis Last Lecture
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THE ANALYTICAL PROCESS Steps in a Chemical Analysis FORMULATE THE QUESTION AND DEFINE THE PROBLEM SELECT AN APPROPRIATE METHOD PROCESS DATA AND COMPUTE THE RESULTS REPORT THE RESULTS FEEDBACK LOOP May repeat this process several times: i.e.; need better method, more samples, better results PERFORM ANALYSIS AND ACQUIRE DATA SAMPLE(S) Define the measurement criteria: selectivity (analyte and matrix), sensitivity (expected conc’s), # of samples, turn-around time, cost, accuracy, precision, etc. Describe the analysis: Background (what and why) Experimental (how) Data and Results (details) Conclusions (big picture)
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For more efficient analysis of mixtures, some form of chromatography can be coupled with a detector based on these same instrumental methods for separation, detection, and quantitation of closely related compounds.
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CHEM 327 Practical GC and HPLC (4 units, 2 units lecture, 2 units lab) Prerequisites CHEM 321, 322, and 334 with grades of C or better Description Theory, hardware and experience in GC and HPLC separations. Emphasis on practical skills and common applications in natural products, environmental, and pharmaceutical analyses. Frequency Offered every semester CHEM 420 Environmental Analysis (3 units, 2 units lecture, 1 unit lab) Prerequisites CHEM 321 and 322 with grades of C or better Description Practical analysis of real world samples and environmental pollutants. Statistics, QA/QC, heavy metal analysis via atomic spectroscopy, and organic pollutant analysis via GC/MS. Frequency Not offered in recent past and most likely not in near future (last offered in Spring 2002) CHEM 422 Instrumental Analysis (4 units, 2 units lecture, 2 units lab) Prerequisites CHEM 321 and 322 with grades of C or better. Description Instrumental methods for chemical and biochemical analysis including basic electronics, molecular and atomic spectroscopy, IR and Raman spectroscopy, mass spectrometry, and chromatography. Frequency Offered every semester CHEM 800 X-Ray Techniques in Chemistry (3 units) Prerequisites Graduate standing in chemistry or consent of instructor Description Focus on the many modern X-ray-based analytical tools available to chemists and biochemists. Frequency
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This note was uploaded on 11/28/2011 for the course CHEM 321 taught by Professor P.palmer during the Spring '11 term at S.F. State.

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Lecture_overheads_-_Ch99 - CHEM 321 Quantitative Analysis...

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