Article Archives

Filter

Hide Filter
  • Pittcon 2013®: Developments in Liquid Chromatography

    Pittcon 2013®: Developments in Liquid Chromatography

    Monday, May 13, 2013
    Technical Article
    Robert L. Stevenson
    The first commercial liquid chromatograph was probably an amino acid analyzer. These ion exchange chromatographs were so specialized that they had almost no impact on chemical analysis outside of ... read more
  • Application of UPLC Amino Acid Analysis Solution to Foods and Feeds

    Application of UPLC Amino Acid Analysis Solution to Foods and Feeds

    Sunday, February 01, 2009
    Application Note
    Thomas E. Wheat, Hillary B. Hewitson, Diane M. Diehl
    Amino acid analysis has been used in the food and feed industries to verify and characterize materials and processes. The total amino acid content, as well as the proportions of growth-limiting amino ... read more
  • The Role of Analytical Instrumentation in the Life Sciences

    The Role of Analytical Instrumentation in the Life Sciences

    Saturday, November 01, 2008
    Technical Article
    Robert L. Stevenson, C. David Carr
    Historically, the life sciences have been qualitative in nature, seeking to identify but seldom understand quantitatively. read more
  • Increased Throughput in Method 8270 Analysis

    Increased Throughput in Method 8270 Analysis

    Monday, January 01, 2007
    Application Note
    William D. Goodman, Frank DeLorenzo
    Method 8270 is a GC-MS method created by the U.S. EPA Office of Solid Waste for the analysis of semivolatile organics by gas chromatography-mass spectrometry. read more
  • Automated Chemical Ionization in GC-MS

    Automated Chemical Ionization in GC-MS

    Monday, January 01, 2007
    Application Note
    Chris Sandy, Jean-Francois Garnier, Bernhard Rothweiler, Fred Feyerherm, Sihem Ben Mahmoud, Harry F. Prest
    Gas chromatography with mass spectrometric detection using chemical ionization (CI) has demonstrated great utility in a wide variety of application areas ranging from forensics to environmental to ... read more
  • Accurate Determination of Amino Acids in High-Carbohydrate-Containing Samples

    Accurate Determination of Amino Acids in High-Carbohydrate-Containing Samples

    Sunday, October 01, 2006
    Technical Article
    Valoran P. Hanko, Jeffrey S. Rohrer
    In a high-sensitivity amino acid analysis (AAA) technique that does not require sample derivatization, both amino acids and carbohydrates are separated by high-performance anion-exchange ... read more
  • <<
  • >>