Nov 21, 2024  
2024 - 2025 Catalog 
    
2024 - 2025 Catalog
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CHM 230 - Chemical Analysis/Instrumentation

Credits: 4
Instructional Contact Hours: 6

Presents the theory and practice of basic chemical preparation and analysis as performed in research and/or industrial settings. Emphasizes safety, detailed and accurate record keeping, data handling, and report writing. Benefits all science majors in Biology, Chemistry, Engineering, and other Applied Science Curricula.

Prerequisite(s): CHM 106W  with a grade of “C” or higher OR CHM 112  and concurrent enrollment / completion of CHM 210  
Corequisite(s): None
Lecture Hours: 45 Lab Hours: 45
Meets MTA Requirement: Natural Science Lab
Pass/NoCredit: Yes

Outcomes and Objectives  

  1. Demonstrate or describe sample collection, storage, and packaging methods
    1. Use or describe appropriate procedures and equipment to preserve sample integrity
    2. Record information to establish or maintain chain of custody for samples
  2. Formulate conclusions from calculations associated with analytic methods
    1. Calculate quantities of reagents needed for preparation of solutions using various concentration units.
    2. Perform statistical calculations including determination of average, deviation, and standard deviation
    3. Apply statistical tests to data and identify outliers
    4. Prepare calibration curves or tables for internal standard, external standard, or standard addition methods
    5. Use calibration curves to determine sample concentration or quantity of active ingredient
    6. Use results of an experiment to support a conclusion
  3. Demonstrate laboratory skills
    1. Maintain a laboratory notebook following good laboratory practices
    2. Use technology associated with a science laboratory
    3. Make decisions using the scientific method
    4. Record data accurately with the appropriate number of significant digits as dictated by the precision of the equipment or glassware
    5. Demonstrate or describe “wet” analytical techniques and sample preparation methods
      1. Prepare and use apparatus to:
        1. Standardize solutions,
        2. Conduct titrations
        3. Perform gravimetric analysis
        4. Perform serial dilutions
        5. Prepare solutions of a specified concentration
        6. Determine sample mass by difference
    6. Demonstrate or describe proper use and maintenance of laboratory equipment and instrumentation
      1. Use standards to verify calibration of electronic balances
      2. Choose appropriate equipment for a specific task (volumetric pipette, graduated cylinder burette, analytical balance, etc.)
      3. Operate or explain the operation of various instruments including sample preparation
        1. UV-Visible Spectrometer
        2. Gas Chromatograph
        3. High Performance Liquid Chromatograph
        4. Nuclear Magnetic Resonance Spectrometer
        5. Infrared Spectrometer
        6. Mass Spectrometer
        7. Electrophoresis Unit
        8. Atomic Absorption Spectrometer
  4. Explain chemical principles or theory associated with analytical instruments
    1. UV-Visible Spectrometry
    2. Gas Chromatography
    3. High Performance Liquid Chromatography
    4. Nuclear Magnetic Resonance Spectroscopy
    5. Infrared Spectroscopy
    6. Mass Spectrometry
    7. Electrophoresis
    8. Atomic Absorption Spectroscopy
  5. Troubleshoot laboratory instrumentation
    1. Perform checks or tests to isolate components and determine sources of a malfunction
    2. Evaluate instrumental output and determine whether results are consistent with expectations
    3. Make recommendations for correcting unacceptable or erroneous outputs
  6. Demonstrate understanding of the importance of laboratory safety and maintenance
    1. Recognize common laboratory hazards and conduct lab procedures safely
    2. Identify and locate all safety features within the laboratory (eye wash fountains, fire extinguishers, fire alarms fire blankets, etc.)
    3. Demonstrate safe and ethical use of equipment and instrumentation used in the laboratory
    4. Dispose of all waste materials properly (chemicals, sharps, and broken glassware), if necessary review Safety Data Sheets
    5. Use personal protection (e.g. goggles, gloves, lab coat) properly
    6. Clean up all work areas and return all equipment to designated areas before leaving the laboratory
    7. Report any accidents, incidents or breakages immediately
    8. Locate the Safety Data Sheets, as needed



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