Gas Calibration System Applications on Environmental XPRT

Production of high-accuracy ethanol calibration gas

Fast and highly accurate analyzer system was needed for ethanol calibration gas standards. Precisive`s OXS-3100-HC configured for ethanol gas was selected due to its sub-ppm repeatability and high stability.

By MKS Instruments, Inc. based in Andover, MASSACHUSETTS (USA).

Continuous Emissions Monitoring Calibration Systems (CEMCS)

The Environics Series Continuous Emissions Monitoring Calibration Systems (CEMCS) have been used in CEM vans and laboratories for over twenty years. They meet or exceed the performance requirements of the United States EPA 40 CFR Part 51 Method 205 Appendix M. Our systems are custom built, computerized, mass flow controller based gas calibration systems which allow you to dilute a single high concentration cylinder of span gas to low levels for the calibration of gas analyzers.

By Environics, Inc. based in Tolland, CONNECTICUT (USA).

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Gas analysis & monitoring system for gas generation

The gas generators for calibration based on the use of “Method of Permeation Tubes.”. The permeation tubes are sealed capsules containing a small amount of the component that is in contact with a permeable membrane stable. The permeation through the membrane produces a vapor of the compound of the component of small quantity, very stable as a stream in time. This permeate stream by mixing with a dilution gas controlled and precise (for example nitrogen) creates a mixture in track at the desired concentration. The flow of the permeate is measured metrically through severe weight loss of the tube thus ensuring a standard high precision.

By ETG Risorse e Tecnologia S.r.l. based in Montiglio, ITALY.

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Measurement of oil in wax for oil & gas industry

The measurement of oil in wax is important within the oil refining industry because wax derived from petroleum sources is an important by-product of the oil refining process. These waxes are widely used in the manufacture of many materials and products as they have the ability to confer specific mechanical and physical properties such as flexibility, hardness and friction. A wide variety of waxes is manufactured with specific characteristics. One of the most critical factors controlling wax properties is the oil content. This means routine measurement of the content of oil in wax is essential for consistent control of the production process. Our benchtop NMR analyser MQC systems provides a fast, simple and accurate method of measuring oil in wax. The MQC may be calibrated to provide results equivalent to ASTM D721-06 and IP 158.

By Oxford Instruments plc based in Abingdon, UNITED KINGDOM.

Gas Detection

Gas Detection is our core business, whether portable, colormetric, fixed systems or Hazmat. We do more than get you the equipment you need--we also help you select it, calibrate it, service it and maintain it. Our technicians, our sales reps and top management can speak with authority on the capabilities of our equipment and match it to your specific application. And we are the champions of the one-of-a-kind solution, because we have the know-how and the right tools.

By Argus-Hazco based in Chesterfield, MICHIGAN (USA).

Computerized instrumentation for the medical gas flow and scientific research

Environics gas mixing, blending and dilution systems provide for precise mixing of gases for a wide variety of clinical applications. Our systems can produce gas concentrations from percent to ppb levels for single or multi-point calibration. The high accuracy of our mixers make them the units of choice for a wide variety of laboratory and research applications. For example, Environics Biological Atmosphere Incubation Mixers provide stable and accurate gas mixes for any laboratory or clinical need. You can generate the specific reduced oxygen environments needed for anerobes as well as the enriched oxygen environments needed in a variety of cellular, viral and high density culture applications. Systems can also be used to create a specific and stable gaseous environment in a clean room. In all cases, the Environics Atmosphere Mixers allow you to use less expensive single-gas cylinders or bulk tanks in place of a high number of expensive blended cylinders.

By Environics, Inc. based in Tolland, CONNECTICUT (USA).

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Capabilities of the Adsorbent Tube Injector System (ATIS™)

The Adsorbent Tube Injector System (ATIS) was developed at Supelco® by R&D Scientists, as a tool to assist in our comprehensive adsorbent research for thermal desorption tubes. The ATIS provides an efficient means of transferring calibration standards in either the gas or liquid phase onto the adsorbent packed tubes. The ATIS employs the technique of flash vaporization to vaporize the sample in a continuous flow of inert gas; the inert gas carries the sample to the tube. The sample pathway of the ATIS is constructed of glass and stainless steel. The calibration standard is injected by a syringe through a replaceable septum in the center of the injection glassware, which is heated. After enough time has elapsed, typically less than five minutes, the tube is removed from the ATIS and analyzed using the appropriate analytical technique for that adsorbent tube.

By MilliporeSigma based in Bellefonte, PENNSYLVANIA (USA).

HCl Monitoring in Air

Hydrogen chloride (HCl) is a colorless, sometimes slightly yellow, gas. It is an undesired environmental component that may be damaging to workers and the surroundings. Exposure limits have thus been established by industries to make sure that the workers operate in a safe environment. HCl monitoring is especially required for incinerators, coal-fired power plants, aluminum recycling and cement plants. Unisearch offers a reliable and easy-to-use HCl analyzer – the TDLAS-based LasIR system. Studies have shown that TDLAS equipment provides data that is more accurate than conventional gas monitoring equipment. When calibrated for HCl monitoring, TDLAS is able to detect this gas among other gases present in the area and provide continuous updates with regards to the changes in its concentration.

By Unisearch Associates Inc. based in Concord, ONTARIO (CANADA).

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