Article Archives

Filter

Hide Filter
  • Automated Separation of Micro-Grains in a Mixed Solid Sample

    Wednesday, April 13, 2016
    Application Note
    Steven M. Barnett Toshinori Maebayashi Satoshi Takeshima
    Areas such as industrial failure analysis, geology, geochronology and others that use solid-phase extraction, require accurate measurement of specific micro-grains, which are small particles mixed ... read more
  • Analysis of Protosappanin B in Sappan Lignum by Capillary Zone Electrophoresis

    Tuesday, September 23, 2014
    Application Note
    Luzhi Sui Xiangqian Hou Xinmin Li Dunqing Wang
    Sappan Lignum, the dried heartwood of Caesalpinia sappan L, has been used as an herbal medicine since ancient times. Sappan Lignum promotes blood circulation; removes blood stasis; reduces swelling, ... read more
  • Product Intelligence: Guide to Micromanipulators

    Wednesday, November 14, 2012
    Technical Article
    Caitlin Smith
    As explained in this article, micromanipulators are used in a wide variety of applications in areas as varied as electrophysiology to reproductive biology. Purchasing considerations include type of ... read more
  • Optimizing HPLC Sample Preparation

    Monday, February 06, 2012
    Technical Article
    Caitlin Smith
    Sample preparation is an important component for analysis in high-performance liquid chromatography (HPLC)/ultra high-performance liquid chromatography (UHPLC). This article outlines commonly used ... read more
  • Microscopy is Moving On

    Friday, July 01, 2005
    Technical Article
    Aubrey Lambert
    The basis for observations has not really changed in all the time that lenses have been used to magnify objects. read more
  • Statistics in Analytical Chemistry: Part 15—Calibration Example 5

    Tuesday, February 01, 2005
    Technical Article
    David Coleman Lynn Vanatta
    This real-world example of calibration diagnostics involves the ion-chromatographic behavior of phosphoric acid; phosphate is the actual analyte form that is measured by the instrument. read more
  • New Frontiers in Chromatography

    Tuesday, February 01, 2005
    Application Note
    Michael E. Swartz Brian Murphy
    High-performance liquid chromatography (HPLC) has proven to be the predominant technology used in laboratories worldwide during the past 30-plus years. read more
  • Compact Spectroscopy Instrumentation: On-Board Smarts or External Computer?

    Tuesday, February 01, 2005
    Application Note
    Hector Lara Ron Hartmayer
    Compact, array-based spectrometers continue to develop in response to advances in detector, microprocessor, storage, and display technology. read more
  • Use of Microcoil Probes to Acquire More Sensitive NMR Spectral Data

    Tuesday, February 01, 2005
    Technical Article
    Peter Froehlich
    Nuclear magnetic resonance (NMR) spectroscopy is a powerful analytical technique that is commonly used to provide structural information as well as other chemical metrics such as sample composition ... read more
  • <<
  • >>