gcms Articles

  • Improved Determination of Volatile Organic Compounds in Water by SPME and GC/MS: ISO Standard 17943

    The analysis of water for volatile organic compounds is important due to their toxicity.The current methods for this determination lack of sensitivity, selectivity or capability for automation. This paper presents the new ISO 17943 Standard using Solid Phase Microextraction (SPME) and GC/MS. The sample preparation by SPME enables limits of detection and easy automation of the whole method. GC/MS ...

  • Syringe Pumps vs Peristaltic Pumps - Case Study

    Introduction Different applications require a pump, among all the options peristaltic and syringe pumps, are the most suitable. However, selection of the best is always a disjunctive. In general terms, laboratory and industrial process use peristaltic pumps. A user needs to know more about the systems and proper comparison of these technologies. In some cases is difficult to understand ...


    By Chemyx Inc

  • UCT Derivatizing Reagents Cited in ATS Study

    Amphetamines Type Substances (ATS), which include amphetamine (AMP), methamphetamine (MA), 4-methylamphetamine (4-MA), 3,4-methylenedioxyamphetamine (MDA), 3,4-methylenedioxymethamphetamine (MDMA), 3,4-methylenedioxy-N-ethylamphetamine (MDEA), cathinone (CAT), and ephedrine (EPH), are widely acknowledged as common identified drugs of abuse.  Alternative, new-age synthetic cathinones such as ...

  • Sand & Gravel - Case Study

    Creating a Borehole Database A series of exploration boreholes were drilled. Samples were taken every five feet and sieved in order to determine the relative percentages of sand, gravel and clay (or other non-sand/gravel material). These samples were restricted to the interval below the base of the soil profile and the top of the bedrock. The borehole locations, stratigraphy (see Table 1), ...


    By RockWare, Inc.

  • Potash dewatering at Belaruskali, Belarus - Case Study

    Separate and filter A more profitable approach to potash dewatering ...

  • The Water Quality Association comes to Denver

    Purolite representatives from Canada as well as the Midwest and Northeast regions of the United States spent a few days in Denver to support the Water Quality Association (WQA) at their annual meeting. The WQA has been holding this event for its members for more than many decades and Purolite has been a part of the exhibition floor for several years. Visitors from across the globe were in ...


    By Purolite Corporation

  • Pyrolysis-GC/MS Real and Faux Leather

    Application Note Textiles Abstract Pyrolysis reveals components and differences between different leather and faux leather products. Introduction Pyrolysis-GC/MS allows for the analysis of organic materials which are too large to be compatible with GC alone. Material is heated in a controlled way, facilitating breakdown into ...


    By CDS Analytical

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