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Environmental Analysis Applications

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    Formaldehyde and Acetaldehyde Determination in Air Using Fully Automated On-Line Desorption and Analysis of DNPH Cartridges

    Airborne aldehydes and ketones are collected by passing air through a cartridge containing 2,4-dinitrophenylhydrazine (DNPH). Carbonyl compounds react with the DNPH to form hydrazones, which are immobilized on the cartridge. These compounds can be easily eluted from the cartridge with acetonitrile and analyzed by HPLC with UV detection. Traditionally, this analysis including the workup contains a series of manual steps, which can become time-consuming and could incur experimental error. Automating the extraction...

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

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    Analysis of Methylimidazoles in Caramel Colored Carbonated Beverages

    Caramel colorings are used as additives in a broad range of food and beverage products to impart a desired color, but have no nutritional or preservative function. Recently, the potential hazard to humans of ammonia- and ammonia-sulfite-process caramel colorings was raised, because they contain the by-product 4-methylimidazole, which is a potential carcinogen.1 The methylimidazole compounds are difficult to analyze due to their polar nature and low molecular weight. Traditional reversed phase techniques are...

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

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    Test Kits and Photometric Methods for agriculture, in food or water analysis

    When analyzing water and food, trust plays a very important role. Only careful analysis using tests that are performed correctly and are delivering sound results will help to maintain and improve our quality of life. With ready-to-use tests and test systems from Merck Millipore, you can trust your results. Our broad product range covers everything from water analysis to the control of production process up to the measurement of special food parameters.

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

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    Laboratory Weighing - Differential Weighing

    Perfecting a classical method. Determining the difference between the initial and residual weights of samples in percent and grams is one of the most frequent routine applications in a laboratory. METTLER TOLEDO offers a complete solution in this area. It consists of a balance, a printer, and application software for the specific balance being used. There is a choice between an integrated balance application, or an optional software cassette which simply plugs into the balance.

    By Mettler - Toledo Int. Inc based in Greifensee, SWITZERLAND.

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    Laboratory Weighing - Stent Weighing

    Weighing delicate tubular samples such as sticks, springs, tungsten wires or stents require highest weighing precision but unfortunately are difficult to handle. Our Automatic-S Microbalances are the best solution for weighing such delicate samples.

    By Mettler - Toledo Int. Inc based in Greifensee, SWITZERLAND.

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    Bromate analysis for the drinking water industry

    Bromate forms during the ozonization of drinking water. Several international standards stipulate detection limits and test methods. Conductivity detection with chemical suppression allows the determination of bromate in the lower μg/L range. In the ng/L range, bromate can be detected by IC/MS coupling or post-column derivatization with potassium iodide and subsequent UV detection.

    By Metrohm AG based in Herisau, SWITZERLAND.

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    Baseline® 9100 Residual Solvent Analysis — Ethanol, Isopropanol, and Acetone

    MOCON’s Baseline® Series 9100 Gas Chromatograph equipped with a photoionization detector (PID) provides a quick, cost effective quantitative analysis of IPA and acetone in air at levels in the ppb and sub-ppb range with no preconcentration necessary. Isopropanol and acetone are detected and accurately quantified to sub-ppb levels in under 3 minutes with ethanol producing no interference. The instrument is sensitive to below 5 ppb for both IPA and acetone employing the MOCON Baseline® standard PID or 0.1 ppb...

    By AMETEK MOCON - Baseline based in Lyons, COLORADO (USA).

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    Gas analysis for the indoor air industry

    By Teledyne API based in San Diego, CALIFORNIA (USA).

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    Measurement of diacetyl in ambient air to monitor workplace exposure limits.

    The Series 8900 Diacetyl Analyzer provides direct measurement of Diacetyl in ambient air. This instrument is utilized for environmental monitoring and to monitor workplace exposure limits. The Series 8900 Analyzer for Diacetyl employs a photoionization detector (PID) as the sensing element. A dual column configuration with timed backflush to vent is used to strip off moisture and heavier hydrocarbons. A pre-cut column is used in series with the analytical column. At sample injection a fixed volume of sample is...

    By AMETEK MOCON - Baseline based in Lyons, COLORADO (USA).

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    Determination of D- and L-isomers of tartaric and malic acids in wines, wine materials, and food additive

    Naturally occurred is predominantly L-form of tartaric acid whereas its D-form and the relevant racemic mixture can be artificially synthesized. Generally, artificial acidification of wine with tartaric acid is allowed by OIV, but only pure L-form must be used for this purpose. Thus the analysis of tartaric acid isomers either in food additives or directly in wine can be an important parameter in clarifying any deviations in wine production. Analysis of isomers of malic acid is also within the necessary...

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

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    Fragrance compliance solution for fragrances industry

    Lisam Systems offers an unparalleled compliance solution for the fragrance industry to generate reports, labels and IFRA certificates. Fragrances are subject to an international legislative and regulatory environment that affects every part of manufacturing and the supply chain. The IFRA is a global association that represents world-leading fragrance makers. It sets standards for safe use and manufacture of fragrance materials, and directs a code of practice to further consumer safety and environmental protectio...

    By Lisam Systems based in Ecaussinnes, BELGIUM.

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    Detergent compliance solution for detergents industry

    Detergent Compliance Solution; Lisam’s solution automates production of your ingredient labels (IL)and data sheets (IDS) Global compliance for detergents is easier than ever before. European legislation on detergents has been in place since 2005 and covers the manufacturing, sale and use of detergents throughout the EU. All those responsible for placing a detergent or a surfactant for a detergent on the market or exporting from North America must comply with this regulation, which is routinely updated.

    By Lisam Systems based in Ecaussinnes, BELGIUM.

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    Microbiological solutions for the food safety & nutrition industry

    Our labs are USDA recognized and are under government grants to conduct food microbiological research. Approved test methodologies include carefully selected FDA, USDA, BAM, USP and AOAC official methods. For more information about food safety methods, check out these Food Safety Guides. The MiL routinely performs rapid microbial identifications, confirmations, and tracks contaminant sources of all pathogenic, indicator and spoilage organisms using the latest technologies such as GC FAME, Biolog®, Ribotyping...

    By Microbe Inotech Laboratories, Inc based in St. Louis, MISSOURI (USA).

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    VOC / HAPs reporting

    The Wercs has developed an online reporting module which enables manufacturers to completely eliminate the manual system that is in place for VOC/HAPs reporting. This new module automatically gathers VOC/HAPs data from SDSs and cross-references it with the order history. Your customers can now go to a secured website, enter the name of the product and get a complete VOC/HAPs emission analysis for annual reporting requirements.

    By UL - The WERCS based in Latham, NEW YORK (USA).

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    Application package FLUXANA RAW Professional

    This application package is a `ready to go` calibration kit for xrf instruments. Fusion technology is ideal for analysing oxidic materials like minerals or raw materials. It performs with the highest precision possible in xrf sample preparation. However, many laboratories cannot specify exactly what material they have to analyse. Therefore FLUXANA has created a wide range oxidic application program to allow complete analysis of the unknown material. The concentration ranges and elements of interest can be adapted...

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

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    Instruments and analyzers for outdoor material testing

    Weathering of materials is most often an irreversible process affecting the cosmetic properties or strength of materials. This aging process is mainly driven by UV radiation, Heat and reactive elements in the atmosphere, for example chemical contamination. The plastic fabric of the product can dry and therefore weakened. The solar load can overheat the products and change material properties irreversibly. A common method to test the deterioration of materials is to expose materials to sun light and...

    By EKO Instruments based in San Jose, CALIFORNIA (USA).

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    EDXRF spectrometers for metal & ore

    Quality control of the various metal industry processes. Metal forms an essential material in modern manufacturing, metal products being used everywhere. Using ED-XRF allows to measure a wide range of elements and concentrations - C(6)-Fm(100) - without the need for sample preparations (heating or destroying the sample). Samples can be measured in the form of loose powders or pressed into pellets and ready for measurement within seconds.

    By Xenemetrix Ltd. based in Migdal Haemek, ISRAEL.

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    Mercury monitoring for manual analysis of air traps

    The Tekran 2600 versatility is evident with the economical and convenient configuration for manual analysis of air samples collected on gold cartridges. Converting the instrument allows calibration by simple injection of gaseous Hg using the Tekran

    By Tekran Instruments Corporation based in Toronto, ONTARIO (CANADA).

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    Combustion gas analysis for the indoor environment industry

    Flue-gas analyzers are designed to be rugged and accurate at the same time. They are used by the HVAC industry, energy industry, process control, glass industry, food industry, universities and analysis is required. 

    By IMR Environmental Equipment, Inc. based in St. Petersburg, FLORIDA (USA).

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