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  • Comparative QC Test Methods for Toothpaste Consistency

    Tuesday, September 27, 2016
    Application Note
    Robert McGregor
    Important quantitative data can be obtained in the study of viscosity by measuring the consistency of toothpaste, i.e., thickness, ease of handling and ability to retain position, and observing the ... read more

  • How Do You Evaluate “Flowability”? Buttermilk Ranch vs Blue Cheese

    Monday, November 24, 2014
    Application Note
    Robert G. McGregor Eric Chiang Stephanie Shepard
    A common request from food manufacturers is to come up with a faster and more definitive test for flowability of salad dressings. read more

  • Innovation Thrives at the American Society for Mass Spectrometry 2013

    Tuesday, August 06, 2013
    Technical Article
    Paul O Danis
    When J.J. Thomson, the father of mass spectrometry, published his seminal book, Rays of Positive Electricity, 100 years ago, he could not have imagined the vast array of applications that would be ... read more

  • Advances in Mass Spectrometry at Pittcon® 2013

    Friday, May 10, 2013
    Technical Article
    Brian Musselman
    This has been a busy year for mass spectrometry companies and with the Triennial International Conference on Mass Spectrometry occurring last fall. This year at Pittcon®, several new high-end mass ... read more

  • American Society for Mass Spectrometry 2012 Product Showcase

    Tuesday, July 31, 2012
    Technical Article
    Jeanely Hunt, MS, MBA
    Mass spectrometry is a fundamental technique used by chemists and life science researchers for determining unknown samples across various research areas, such as environmental analysis, toxicology ... read more

  • Pittcon® 2012 Roundup of Spectroscopy and Mass Spectrometry

    Monday, May 07, 2012
    Technical Article
    Jeffrey M. Perkel
    This past March, some 15,754 people from 90 countries descended on Orlando, Florida, for the annual Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy (Pittcon®). read more

  • General Laboratory Equipment: Innovation Showcase

    Monday, May 09, 2011
    Technical Article
    Jeanely Hunt, MS, MBA
    Each year, manufacturers and distributors flesh out many innovations for the laboratory, ranging from simple accessories to large, more complex instrumentation. read more

  • The Double Life of Structured Fluids

    Sunday, August 01, 2010
    Application Note
    Neil Cunningham Bob McGregor
    The products we stir, pump, spread, pour, and spray are usually thought of as liquids. Surprisingly, however, it can be demonstrated that they live a quiet double life as liquids when observed,but ... read more

  • Food Texture Analysis

    Saturday, May 01, 2010
    Application Note
    Richard D. Brown
    Texture testing is a well-established technique for evaluating the mechanical and physical properties of raw ingredients, food structure, and designs, and for pre- and post-quality control checks. ... 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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