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  • Bottle Liquid–Liquid Extraction Update: In Situ Water Sample Preparation

    Tuesday, January 21, 2014
    Application Note
    As first described in Ref. 1, an alternative liquid–liquid extraction technique was originally conceived, born, and cultivated in an environmental lab setting to enable holding time obligations to be ... read more

  • The Story of MALS

    Saturday, October 05, 2013
    Technical Article
    Philip J. Wyatt
    The concept of measuring light scattered from a solution at each of a plurality of angles simultaneously began in late 1976 in a very unlikely application. At that time, scientists from Science ... read more

  • A Sensitive and Selective GC/MS Method for Analyzing Persistent Organic Pollutants Using a Novel ...

    Friday, October 04, 2013
    Application Note
    Jody Dunstan
    Charge transfer chemical ionization (CI) was among the ionization types studied decades ago by researchers investigating fundamental Characteristics of chemical ionization. However, the technique was ... read more

  • Chemicals are Back!

    Friday, December 07, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    The tsunami on the business horizon is the resurrection of the American chemicals industry. read more

  • HPLC 2012: New Mysteries in Column Efficiency

    Monday, October 01, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    HPLC is the premier meeting series for liquid chromatographers to gather to learn about the latest advances in technology and applications. read more

  • New Instrumentation and Applications at HPLC 2012

    Friday, August 10, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    A marketplace is usually dynamic, with a cross-current of disparate interests meeting to find mutual satisfaction. read more

  • Focus on Separation Science at Pittcon® 2012: Advances in Gas Chromatography

    Monday, May 07, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    For gas chromatography (GC), the big news at Pittcon® 2012 was the absence of Agilent and PerkinElmer. This was a consequence of an overall downsizing caused by the “six-year effect” where the cycles ... read more

  • Food Safety Testing and New Technologies

    Friday, February 03, 2012
    Application Note
    Mukta M. Shukla
    Just as Alexander Fleming’s groundbreaking discoveries on penicillin ushered in a new era of antibacterial agents to extend human lifespans, it was the work of Louis Pasteur that helped introduce the ... read more

  • Highlights of the Fifth International Symposium on Packed Column SFC

    Tuesday, August 23, 2011
    Technical Article
    Larry Miller Larry Taylor
    The Fifth International Symposium on Packed Column SFC (SFC 2011), which alternates between the United States and Europe, was held in New York City, July 20–22, 2011. read more

  • Focus on Columns and Consumables at Pittcon® 2011

    Tuesday, May 10, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    Columns, chemicals, and consumables (CCCs) account for more than 30% of the chromatography market. 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

  • Effective UPLC Implementation

    Wednesday, April 06, 2011
    Technical Article
    Mark Dawson
    As the science of HPLC has evolved over the years, we have witnessed many changes to HPLC chemistry and instrumentation. read more

  • Analysis of Piperine in Peppers Using On-Line SFE-UHPLC With Photodiode Array Detection

    Tuesday, February 01, 2011
    Application Note
    Takayuki Yamaguchi Kazutoshi Kamezawa Keijin Iwaya Yasuyo Sato Toshihiko Miyaji Masao Bounoshita David J. Tognarelli Muneo Saito
    Ultrahigh-performance liquid chromatography (UHPLC) is a separation technique that utilizes columns packed with microparticles (<2 µm in diameter), as provided by the xtreme liquid chromatography (x-lc™) system (jasco corp., tokyo, japan) µm="" in="" diameter),="" as="" provided="" by="" the="" xtreme="" liquid="" chromatography="" (x-lc™)="" system="" (jasco="" corp.,="" tokyo,="">... read more

  • A New-Generation Microwave Digestion System

    Friday, January 28, 2011
    Application Note
    Carl Chan
    Since the laboratory microwave digestion system first became commercially available in the 1980s, sample preparation has become mainstream, and the preparation of samples for atomic spectroscopy has ... read more

  • Enterprise Thinking: Driving Open Standards Adoption in the Laboratory

    Wednesday, September 01, 2010
    Application Note
    Trish Meek Séamus Mac Conaonaigh
    With the continued rise in the cost of drug research and development, pharmaceutical, biotechnology, and research companies are rethinking the way they do business. read more

  • Improving FTIR Operation With a Contaminant Analysis Program

    Wednesday, September 01, 2010
    Application Note
    John Monti
    Spectrum search (library search) is a procedure often used in contaminant analysis. It consists of using the search function included in Fourier transform infrared (FTIR) software or specialized ... read more

  • Effective Forensic Sample Tracking and Handling

    Wednesday, September 01, 2010
    Application Note
    Tal Murthy Brian Hewson
    With implications for the success of a legal case, forensic samples must be stored under optimal conditions to avoid DNA deterioration. Failure to maintain proper storage conditions can result in ... read more

  • Benefits of an Integrated Laboratory (iLAB)

    Wednesday, September 01, 2010
    Application Note
    Robert Pavlis
    An iLAB, or integrated laboratory, is a new type of laboratory informatics system—a total laboratory automation system. The value of an iLAB can best be appreciated by exploring four key problems with... read more

  • Challenging Chromatographic Peak Integration

    Wednesday, September 01, 2010
    Application Note
    Shaun Quinn
    Integration is a fundamental task that all chromatographers perform on a daily basis. Due to faster chromatography, which is creating more data every day, the amount of time spent on integration is ... read more

  • Identifying Trace Compounds in Complex Mixtures With MS Data-Processing Software

    Wednesday, September 01, 2010
    Application Note
    Gareth M. Roberts
    With the ultimate aim of protecting workers, consumers, and the environment, industry regulations are continually expanding with respect to monitoring the volatile organic compounds (VOCs) emitted by ... read more
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