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Air Analyses 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 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...

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

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    Advanced oxidation water treatment solutions for toxic gases treatment sector

    Semiconductor and LCD Processes—12”FAB.

    By ESCO International (EI) based in Glan Conwy, UNITED KINGDOM.

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    Industrial monitoring solutions for the opacity and dust monitoring areas

    There is a requirement for many small boiler operators to monitor Opacity to determine the smoke density emitted from the boiler. On small boilers we recommend the DCEM 1001 Opacity monitor; this simple, low cost monitor has high efficiency air purges use compressed air to ensure that optical surfaces are virtually free of dust or debris contamination. This ensures minimal maintenance is required on the sensors.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    BTEX in Ambient Air Application using a High-Sensitivity PID

    The Series 8900 BTEX Analyzer with a high-sensitivity PID provides direct low level measurement of Benzene, Toluene, Ethylbenzene, and Xylene`s in ambient air. This instrument is utilized in ambient air networks around metropolitan areas and fence-line monitoring at industrial sites.

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

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    Gas analyzers for clean air room monitoring

    The ambient air in clean air rooms needs to be constantly monitored for the safety of workers and of the production according to the environment. A clean air room is a room where the concentration of particles is controlled in order to minimize the introduction, the generation, retention of particles inside, for instance for chip production or the production of medicines.

    By Chromatotec Group based in Val de Virvée, FRANCE.

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    Low level measurement of VOCs and Terpenes close to the sea and the Landes Forest

    It has been established that organic aerosol (OA) makes up for a major fraction of fine particulate matter in all region of the atmosphere. This fraction accounts approximately for half of the total PM2.5 dry mass.1,2 Primary OA is directly emitted in the troposphere from anthropological and natural sources whereas secondary OA (SOA) is formed in-situ in the atmosphere from the oxidation of biogenic or anthropogenic gas-phase precursors and subsequent partitioning of the less volatile products into the particle...

    By Chromatotec Group based in Val de Virvée, FRANCE.

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    Industrial monitoring solutions for the dust monitors areas

    For large combustion plants and power plants we offer the DCEM 2100 particulate monitor. This monitor is certified to EN 15267 part 3 QAL 1 for all industrial processes including waste incineration. It offers outputs in Transmission, Opacity and mg/m3 (when calibrated against a Standard Reference Method). The DCEM 2100 offers real-time zero and span calibration and an efficient air purge system to prevent optical contamination.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Industrial monitoring solutions for the dust collectors areas

    Most industrial processes have dust collectors of some form or other, the most popular being filter bag houses. Very few of these are covered by regulation other than to have a broken bag detector to prevent nuisance dusts escaping and creating a local nuisance. The CODEL StakGard is a low cost Tribo-electric monitor that directly measures mass particulate concentration by sensing the frictional charge created when particles collide with a conductor. The advanced electronics of the StakGard detect this signal and...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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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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    Premium gas generators and calibration solutions for air pollution monitoring sector

    The measurement of pollutants such as O3, NO, NO2, CO, SO2 and HC to ppb’s and ppm’s require very sensitive analysers. Over the time or according regulations and devices requirements, calibration operations are required for each measured compound. As low concentration gas standards are expensive, may be unstable or not storable, like for ozone, on-site reference gas generation with Sonimix calibrators reduce costs, logistics troubles and keep analysers performances at their higher level.

    By LNI Swissgas based in Versoix, SWITZERLAND.

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    Gas monitoring instruments and systems for compressed breathing air

    Compressed breathing air is subject to strict limits of harmful contaminants defined in European standard EN 12021 and various defence standards such as DEF STAN 68-284 issue 3. The testing interval of breathing air compressors and associated equipment is 3 months and gases tested include carbon monoxide, carbon dioxide and oil vapour defined as hexane and heavier hydrocarbons. EN 12021 covers underwater applications including self-contained open circuit compressed gas breathing (SCUBA) and compressed gas line...

    By Gasmet Technologies Oy based in Vantaa, FINLAND.

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    Gas monitoring instruments and systems for flavoring agents

    Manufacturing of powdered and liquid flavorings and fragrances involves production phases where flavoring chemicals may be released into the ambient air breathed by workers. Exposure control by gas analyzers in the production rooms and laboratories is necessary to ensure that the Time-Weighted Average (TWA) concentrations do not exceed the maximum Permissible Emission Limit (PEL) values.

    By Gasmet Technologies Oy based in Vantaa, FINLAND.

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    Industrial hygiene - personnel safety gas analyzers for industrial air monitoring

    Industrial companies produce during there manufacturing process toxic compounds such as Benzene or H2S. CHROMATOTEC analysers are able to monitor such compounds. For this kind of applications we generally find ranges of 0.1 to 10 ppm. The corresponding analysers for these applications are the chromaFID and the chromaPID, according to technical specifications (gas to be analysed, environment of the analysis, concentration range,…).

    By Chromatotec Group based in Val de Virvée, FRANCE.

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    Industrial monitoring solutions for the flow monitoring areas

    Many large combustion plants are now required to monitor mass emissions of major pollutants and to do so requires an accurate measurement of stack gas velocity. The VCEM 5100 is certified to EN 15267 part 3 QAL 1 for all industrial processes including waste incineration. It has several key advantages, firstly the sensors optics are not in contact with the hot and dusty environment, the VCEM 5100 can monitor gases at temperatures exceeding 10000C and the analyser requires minimal maintenance. The VCEM 5100 can be...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Gas monitoring instruments and systems for stack testing according to EPA test method 320

    The United States Environmental Protection Agency (EPA) has two stack testing methods for FTIR gas analyzers. Method 320 is an FTIR method for measuring wide range of organic and inorganic pollutants. Method 321 is a specific version for measuring hydrogen chloride HCl at cement kilns producing Portland cement. These methods define a quality assurance and control processes for verifying the accuracy of the results. The requirements for analytical equipment and software are defined on 40 CFR Part 60 Appendix B...

    By Gasmet Technologies Oy based in Vantaa, FINLAND.

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    Gas analyzers and monitoring systems for container monitoring sector

    In addition to miscellaneous products, shipping containers might contain toxic gases that present health hazards for workers opening or unloading them. Gasmet manufactures portable and powerful gas analyzers for measuring these hazardous gases inside enclosed spaces. With our solutions, you can measure vast variety of gases simultaneously in cost-effectively.

    By Gasmet Technologies Oy based in Vantaa, FINLAND.

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    Advanced oxidation water treatment solutions for vocs gases treatment sector

    Removal of VOCs gas from Semiconductor facility, 800 m3/min of flowrate. Main chemical compounds: Aceton , IPA, PGME, PGMEA, DMSO, MEA. Performance: 90% reduction or < 5 ppm of THC. Removal of Mercaptan gas from Petrochemical facility, 100 m3/min of flowrate. Main chemical compound: Ethyl mercaptan. Concentration 0.001-10 %. Performance: 90% reduction or less than 500 ppb.

    By ESCO International (EI) based in Glan Conwy, UNITED KINGDOM.

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    Portable and fixed gas analysers for gas flaring

    Methane is a powerful greenhouse gas and should be destroyed before it enters the atmosphere. Flaring is a common solution for gas with CH4 10% - 40%.

    By QED Environmental Systems Ltd. based in Coventry, UNITED KINGDOM.

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