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Instrumental Analysis

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Instrumental Analysis

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  1. InstrumentalAnalysis CHE 403 Jinseok Heo Alexander Nazarenko

  2. Synthetic Chemistry Analytical Chemistry To find out what is it To make a new stuff “white powder”

  3. From “Professional Education in Chemistry. Guidelines.” 4.2 Instrumentation. The characterization and analysis of chemical systems requires an appropriate suite of modern chemical instrumentation and specialized laboratory apparatus. • Instrumentation should be modern, high quality, and properly maintained. • Approved programs must have a functioning NMR spectrometer that undergraduates use in instruction and research. • Throughout their curriculum, undergraduates must use instrumentation from most of the broad categories listed below: Optical spectroscopy (e.g., UV-vis, FTIR, fluorescence, atomic absorption and emission, Raman, laser) Chromatography and separations (e.g., HPLC, GC, electrophoresis) Mass spectrometry (e.g., MS, GC-MS) Electrochemistry (e.g., potentiometry, voltammetry) Imaging and microscopy methods (e.g., electron microscopy, scanning probe microscopy)

  4. Analytical chemistry sequence @ BSC Titrations with NaOH, EDTA, KMnO4, K2Cr2O7, , I2 Some separations and photometry CHE111-112 Identification of organic compounds; IR, NMR, GC CHE203-204 Analytical Chemistry itself: gravimetry, titrations, electrochemistry and spectrophotometry CHE301 CHE403 Instruments, how they work and how to operate them Biochemistry, Forensic Lab, Analytical Toxilcology, and Inorganic Chemistry - More about analytical methods

  5. Quantitative Chemical Analysis6th Edition and 7th Edition Daniel C.Harris (Michelson Laboratory, China Lake)

  6. A Chemical Analysis • Define the problem • Choose the method • Obtain the sample

  7. Garbage in, Garbage out! 1.Define the problem 2.Choose the method 3. Obtain the sample Sample preparation (preconcentration, separation, removal of interferences) Run assay (determination Data Processing Data Analysis and Interpretation

  8. Basic measures: Metric System Mole Atomic mass (Atomic weight) Formula mass (Formula weight) Molecular mass ( Molecular weight)

  9. Concentration: Weight-to-weight (w/w) Weight-to-volume (w/v) Volume to volume (v/v) Number-to-volume (molarity)