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1: Introduction to Analytical Chemsitry

  • Page ID
    401453
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    • 1.1: Introduction to Analytical Chemistry
    • 1.2: Common Analytical Problems
      Typical problems on which analytical chemists work include qualitative analyses (Is lead present in this sample ?), quantitative analyses (How much lead is present in this sample?), characterization analyses (What are the sample’s chemical and physical properties?), and fundamental analyses (How does this method work and how can it be improved?).
    • 1.3: Selecting an Analytical Method
      A method is the application of a technique to a specific analyte in a specific matrix. Ultimately, the requirements of the analysis determine the best method. In choosing among the available methods, we give consideration to some or all the following design criteria: accuracy, precision, sensitivity, selectivity, robustness, ruggedness, scale of operation, analysis time, availability of equipment, and cost.
    • 1.4: Developing the Procedure
      After selecting a method, the next step is to develop a procedure that accomplish our goals for the analysis. In developing a procedure we give attention to compensating for interferences, to selecting and calibrating equipment, to acquiring a representative sample, and to validating the method.


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