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soil-water sampling Applications

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    Analysis of Herbicides in Drinking Water

    Herbicides are used throughout the world to combat the growth of unwanted plant life. These polar compounds are hydrophilic, so they may find their way into drinking water sources. While gas chromatography has historically been the preferred technique for analysis of herbicides in water samples, the use of LC-MS/MS for this application is gaining acceptance. This is due to the power of MS/MS to provide detailed identification of multiple analytes, but also in part due to the variety of HPLC stationary phases...

    By Merck KGaA, Darmstadt, Germany based in Darmstadt, GERMANY.

  • Analysis of Herbicides in Drinking Water

    Herbicides are used throughout the world to combat the growth of unwanted plant life. These polar compounds are hydrophilic, so they may find their way into drinking water sources. While gas chromatography has historically been the preferred technique for analysis of herbicides in water samples, the use of LC-MS/MS for this application is gaining acceptance. This is due to the power of MS/MS to provide detailed identification of multiple analytes, but also in part due to the variety of HPLC stationary phases...

    By MilliporeSigma based in Bellefonte, PENNSYLVANIA (USA).

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    Determination of phenoxycarboxylic acid herbicides in water

    Introduction The method allows determination of herbicides classified as phenoxycarboxylic acids, specifically: 2,4-dichloro-- phenoxybutyric acid (2,4-DB), 2,4-dichlorophenoxypropioni c acid (2,4-DP, Dichlorprop), 2,4-dichloropheno-- xyacetic acid (2,4-D), and phenoxyacetic acid in samples of natural, potable and treated waste water by capillary electrophoresis.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

  • LIBS for Macronutrient and Micronutrient Analysis in Soil

    Laser-induced breakdown spectroscopy (LIBS) offers the ability to analyze soil samples with little sample preparation, provides detection of all elements in the periodic table, and has a large dynamic range (ppm to wt. %).

    By Applied Spectra, Inc. (ASI) based in Fremont, CALIFORNIA (USA).

  • Sediment and Nutrient Loads

    SedEvent is an event-driven, automatic grab sampling system that provides a simple and practical method of accurately determining suspended sediment and nutrient loads. While suspended sediment concentration (SSC) cannot be directly measured accurately or reliably, turbidity has been shown to be an excellent surrogate for SSC. Turbidity is caused by suspended particulate matter such as clay, silt, algae, organic and inorganic chemicals and acids like fertilizers, and microscopic organisms like harmful bacteria....

    By FTS based in Victoria, BRITISH COLUMBIA (CANADA).

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