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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
  • Light-Emitting Diodes: A New Solution for Fluorescence

    Saturday, October 01, 2011
    Technical Article
    Barbara Foster
    From the dramatic increase in new fluorophores to the proliferation of techniques like total internal reflection fluorescence (TIRF), photoactivated localization microscopy (PALM), and stochastic... read more
  • Statistics in Analytical Chemistry: Part 25—Calibration Summary

    Thursday, February 01, 2007
    Technical Article
    David Coleman Lynn Vanatta
    In a modern chemical-analysis laboratory, virtually all of the testing equipment must be calibrated periodically. read more
  • Centrifuge Safety and Security

    Thursday, February 01, 2007
    Application Note
    Tammy Goodman
    For laboratories around the world, increasing health and safety legislation requires that equipment be operated and maintained so that every step is taken to maximize safety and security. read more
  • Reagent-Free Ion Chromatography Systems With Eluent Regeneration: RFIC-ER Systems

    Thursday, February 01, 2007
    Application Note
    Yan Liu Zhongqing Lu Chris Pohl John Madden Navette Shirakawa
    Since the introduction of ion chromatography (IC) in 1975, Dionex Corp. (Sunnyvale, CA) has continued to improve the performance of IC systems while developing new capabilities for the determination ... read more
  • The Nanoliter Syringes

    Thursday, February 01, 2007
    Technical Article
    Andrew D. Sauter
    Following an informal collaboration with Affymax (Palo Alto, CA), Agilent Technologies (Palo Alto, CA), and Chem-Space Associates (Pittsburgh, PA), studying electrospray ionization 1 (ESI), the ... read more
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