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  • The Myths and Truths of Measuring Pure Water

    Monday, November 07, 2016
    Application Note
    Gayle Gleichauf Kim Knepper
    Techniques such as liquid chromatography and mass spectrometry require ultrapure water (UPW) for trace-level analysis. read more

  • Trace-Gas Analysis With Cantilever-Enhanced Photoacoustic Spectroscopy

    Monday, July 25, 2016
    Application Note
    Jaakko Lehtinen Veli-Matti Kittilä Aleksandra Karimaa Ismo Kauppinen
    Photoacoustic spectroscopy (PAS) is based on the conversion of optical energy to thermal energy. read more

  • Methane—A Simple Gas with Complex Problems

    Tuesday, April 29, 2014
    Technical Article
    Robert L. Stevenson, Ph.D.
    Natural gas (NG), which is 90+% methane, heats half of America’s households and fuels many important industrial processes including production of electricity, fertilizer, and polymers. NG is collected... read more

  • Scientific Imaging: To Sharpen or Obscure?

    Monday, October 01, 2012
    Technical Article
    Jerry Sedgewick
    In the world of scientific imaging, the matter of whether or not to sharpen an image can pose an ethical question: Does sharpening change the essential nature of the image? read more

  • High-Content Analysis Comes Full Circle in Only Eight Years

    Monday, April 18, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    In eight short years, high-content analysis (HCA) has circled back to its roots, where many practitioners are again using personal instruments. read more

  • Providing Purge Gas for FTIR Systems

    Monday, April 18, 2011
    Technical Article
    Peter Froehlich Kim Myers
    While a Fourier transform infrared (FTIR) spectrophotometer provides a number of benefits relative to a scanning IR spectrophotometer,a significant disadvantage of an FTIR system is that the presence ... read more
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