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Sample Preparation Applications

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    Chromatography laboratory instrumentation for environmental analysis

    Determining pollutants in environmental and food matrices requires efficient sample preparation and analytics. BUCHI provide a wide selection of solutions for reliable, flexible and safe sample processing procedures in the laboratory work flow for environmental analysis.

    By BÜCHI Labortechnik AG based in Postfach, SWITZERLAND.

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    Chromatography laboratory instrumentation for pharmaceutical

    Drug discovery and development for pharmaceutical industries require safe, efficient and compliant sample preparations and analytics. BUCHI offers a variety of reliable solutions for regulated pharmaceutical laboratories.

    By BÜCHI Labortechnik AG based in Postfach, SWITZERLAND.

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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 that are available. In particular, several HPLC phases are available that provide great retention and peak shapes for polar analytes, such as herbicides, even under mostly aqueous mobile phase conditions. The combination of these factors may possibly eliminate need for time-consuming sample preparation.

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

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    Hazardous waste treatment solutions for chlorine industry

    The mercury cell process is a formerly widely-used production technique for the production of chlorine and caustic soda. The liquid metal, mercury, acts as cathode (negative pole) in this process. In the past, the loss of mercury during the process (to air, soil and water) led to serious health and environmental problems. Therefore, most European chlorine producers have decided to phase out the mercury cell process by 2020. Nevertheless, even today, almost 6000 tons of mercury is used per year for chlorine production in Europe alone. As a result of this, yearly waste outputs contain around 1200 tons of mercury, which are stored on-site or sent off for disposal.

    By econ industries services GmbH based in Starnberg, GERMANY.

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    Analysis of Isocyanates Using the ASSET™ EZ4-NCO Dry Sampler

    Isocyanates are used as a raw material to produce a number of products . Personal exposure can occur while the products made with isocyanates are being applied, or when the materials are removed by grinding or thermal degradation. Workers who are exposed to these compounds are at risk for respiratory disorders and asthma. The highly reactive nature of the isocyanate compounds and the low occupational exposure limits put high demands on both sampling and analytical techniques for monitoring of isocyanates in air. We investigated the performance of the LC-MS and LC-MS-MS methods in the analysis of isocyanates using the new ASSET™ EZ4-NCO Dry Sampler. We found that the analytical method can successfully reach the quantitation limit for most isocyanates of 5 ng/mL in the final sample when LC-MS-MS analysis was used and the quantitation limit of 10 ng/mL when LC-MS analysis was used. All 11 compounds were well-resolved chromatographically using a 15 cm Ascentis Express C18 column.

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

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    PTR-MS systems for medical sector

    PTR-MS are powerful tools for non-invasive, real-time breath gas analysis with many applications, such as screening for disease markers, study of pharmacokinetics or metabolic processes.

    By Ionicon Analytik Ges.m.b.H. based in Innsbruck, AUSTRIA.

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    PTR-MS systems for biological research

    Real-time measurement of plant defense and leaf wounding reactions. Measurement of VOCs in dynamic biological systems with low detection limit and without sample preparation.

    By Ionicon Analytik Ges.m.b.H. based in Innsbruck, AUSTRIA.

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    Fire detection solutions for the power stations sector

    One of the main hazards in a power station is a fire in a coal rich environment; the latter can often become an explosion with consequential damage to human life and capital equipment.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Identification of drugs and medicines

    INTRODUCTION

    At present, pharmacology, being an integral part of medical science, shows rapid development resulting in the discovery of ever growing number of new drugs and medicines. Hence, quality control and identification of drugs acquires vital importance as the number of counterfeited products inconsistent with Pharmacopoeia concurrently increases with the introduction of new numerous drugs. Identification of the drugs is necessary to reject the products that not only lack the required medicinal properties but might be hazardous to human health.

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

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    Laboratory instruments solutions for environmental industry

    The environmental challenges require internationally accepted standards, in which limits and test methods are defined. Metrohm instruments and applications comply with a lot of international environmental standards. Substances introduced into the environment are distributed among the environmental compartments water, soil (sediment), and air, as well as among the organisms living in them (biosphere). Only if we know the type and quantity of these contaminants can we protect the environment and its inhabitants.

    By Metrohm AG based in Herisau, SWITZERLAND.

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    Substitute fuel sampling system

    A critical eye for every sample! Analytical shredding systems for QA work are a fundamental preliminary component in the production of substitute fuels. With primary fuels and finite resources subject to continuous price increases, the significance of substitute fuels continues to rise unabated. For plant operators, this offers first-class potential and attractive prospects for the future. Businesses that buy in their substitute fuel from external suppliers are faced with two key analytical requirements before putting it to use: pollutant analysis and calorific analysis. To ensure the proper handling of these analyses, a sophisticated sampling system is required.

    By Erdwich Zerkleinerungssysteme GmbH based in Igling, GERMANY.

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    Determination of mercury in soil, bottom sediments, and geological materials

    INTRODUCTION

    Analysis of soils and bottom sediments for mercury content is one of the most common analyses in the monitoring of environmental pollution. Background mercury concentrations in these objects are 10–100 μg/kg and in the polluted areas they exceed 10,000 μg/kg.

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

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    Direct atomic absorption mercury determination in foodstuff and mixed feed

    Direct atomic absorption mercury determination (without any pre-treatment procedures) in food is complicated by its organics matrix. That is the reason why almost all AAS methods of mercury determination in foodstuff include sample digestion by acids.

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

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    Analytical and measuring instruments of ceramics, metals, mining industry

    Geochemical Analysis: Applied geochemical analysis is of value to geologists, mining engineers, metallurgists, and geochemists and requires reliable instrumentation capable of accurate analysis in complex matrices. Whether looking for trace levels of precious metals, doing geochemical exploration on thousands of samples, or assaying concentrates or final product Shimadzu provides instrumentation that fits your needs.

    By Shimadzu Scientific Instruments Inc based in Columbia, MARYLAND (USA).

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    Application package FLUXANA Silicon Carbide

    FLUXANA application packages include always the sample preparation method. All packages are running in our application laboratory. You are always free to send your samples for testing free of charge. If you combine our application packages with our sample preparation machines FLUXANA garanties the analytical performance of the package like a contract.

    By Fluxana GmbH Co. KG based in Bedburg-Hau, GERMANY.

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    EDXRF spectrometers for pharmaceutical industry

    The pharmaceutical industry is one of the most regulated industries. Contaminants in drug products are examined throughout the manufacturing process, since their presence affects drug stability, behaviour and toxicity. Therefore, regulatory bodies such as the European Medicines Agency (EMEA) and the American Food and Drug Administration (FDA) strictly enforce continuous and ongoing analysis of organic or inorganic impurities from raw materials, excipients and Active Pharmaceutical Ingredients (API) through intermediates of drug products and packaging.

    By Xenemetrix Ltd. based in Migdal Haemek, ISRAEL.

  • 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 that are available. In particular, several HPLC phases are available that provide great retention and peak shapes for polar analytes, such as herbicides, even under mostly aqueous mobile phase conditions. The combination of these factors may possibly eliminate need for time-consuming sample preparation.

    By MilliporeSigma based in Bellefonte, PENNSYLVANIA (USA).

  • Chromatography systems for food industries

    Food samples exhibit a challenge to analytical chemists to determine pesticide residues to meet food safety regulations in USA and EU. Therefore, more careful sample preparation is needed to successfully identify and quantify these compounds in food. Dikma offers SPE columns with different absorbent phases and QuEChERS method for sample pre-treament.

    By Dikma Technologies Inc. based in Lake Forest, CALIFORNIA (USA).

  • Laboratory equipments for fluorine in industrial & construction waste

    Measuring Fluorine in Industrial and Construction Waste using Benchtop NMR MQC Analyser. Processing and recycling of industrial and construction waste often requires measuremetns of fluorine content in the materials. It mostly relates to monitoring potential emission of toxic fluorine gas and optimisation of the waste processing. Our benchtop NMR analyser MQC systems provide a fast, simple and accurate method of measuring fluorine in liquid and dry waste. The NMR technique does not require the use of any chemicals and complicated sample preparation.

    By Oxford Instruments plc based in Abingdon, UNITED KINGDOM.

  • Analysis of aqueous solutions

    IR-Spectroscopy is not limited to gases, solid materials and pure liquids but also facilitates the measurement of solutes in aqueous media. Though, due to the strong and temperature dependent absorption of water, the usage of conventional IR-transmission and ATR accessories is not very suitable for the analysis in water. The CONFOCHECK is a dedicated FT-IR system for the fast, easy and sensitive analysis of aqueous samples. Using this system, preparing, measuring and evaluating any aqueous sample takes typically about 1 minute.

    By Bruker Corporation based in Billerica, MASSACHUSETTS (USA).

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