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Gas Purifier ensures optimal carrier gas quality.

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Gas Purifier ensures optimal carrier gas quality.
Gas Purifier ensures optimal carrier gas quality.
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February 5, 2013 - Able to purify from Grade 5.0 - in which level of impurity will not exceed 10 ppm - SERVOPRO PureGas offers Grade 7.0 (99.99999% purity) UHP gas purities suitable for gas chromatography carrier gas. Product uses patented getter alloy to attract gas molecules at multiple temperature profiles to efficiently remove H2 impurities from rare gas by forming irreversible chemical bonds. Large volume getter permits max flow of 1 lpm, allowing single purifier to distribute UHP rare gas to multiple GCs.

New SERVOPRO PureGas Ensures Exceptional Carrier Gas Quality for GC Applications


(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Servomex Group Ltd
Jarvis Brook
Crowborough East Su, TN6 3DU
United Kingdom



Press release date: January 25, 2013

Crowborough, UK,  – The new SERVOPRO PureGas gas purifier from Servomex offers the near-total purification of carrier gases for Gas Chromatography (GC) and other analytical applications.

For a gas chromatograph to perform reliably with high levels of sensitivity, the supplied carrier gas must be of the highest quality. With Ultra High Purity (UHP) gases expensive to bottle and difficult to trans-fill without contamination, the SERVOPRO PureGas enables users to purify gases onsite at the point of use, minimising the risk of gas contamination.

Available for argon (Ar) and helium (He) matrices, the PureGas purifier delivers outlet impurity levels for oxygen (O2), water (H2O), carbon monoxide (CO), carbon dioxide (CO2), hydrogen (H2), methane (CH4) and nitrogen (N2). Able to purify from Grade 5.0 - in which the level of impurity will not exceed 10 ppm - the PureGas offers Grade 7.0 (99.99999% purity) UHP gas purities suitable for a GC carrier gas.

Most purifiers use a single stage heated getter to remove all impurities, but the SERVOPRO PureGas employs a patented getter alloy to attract gas molecules at multiple temperature profiles to efficiently remove H2 impurities from the rare gas by forming irreversible chemical bonds. In this way it is impossible for the impurities to be released when the PureGas purifier is being operated within specification.

A standard 1/8” Swagelok compression fitting returns contamination levels less than 20 ppb, while optional high purity 1/8” vacuum coupling radiation (VCR) fittings for the feed gas inlet and purified gas outlet return ultra-low levels less than 1 parts per billion (ppb). Both fittings feature a 20 micrometre (0.02mm) filter.

A large volume getter permits a maximum flow of 1L/min, allowing a single purifier to be used to distribute UHP rare gas to multiple GCs.  The deep blue anodized exterior of the new PureGas maintains a 45°C surface temperature and the efficient ceramic fibre insulation with an encapsulated heater coil delivers reliable temperature refraction rates.

An additional benefit of the PureGas is that it can also be used to generate UHP zero calibration gas for Plasma applications.

“The launch of the SERVOPRO PureGas reinforces Servomex’s position at the forefront of UHP carrier gas purification,” says Régis Loubatiere, Trace Products Business Manager. “The unique getter alloy technology means we can offer our customers near perfect purification for GC processes from a single purifier, delivering a significant cost benefit by using Servomex over competitor technology.”

For more information about the new SERVOPRO PureGas gas purifier, locate your local Business Centre at www.servomex.com or contact the Servomex Americas Business Centre (+1 281 295 5800), Asia Pacific Business Centre (+86 (0)21 6489 7570), European Business Centre (+31 (0) 79 330 1581 / 00800 737866390 / Toll free in France, Holland, Germany, Belgium and the UK),  India Business Centre (+91 22 3934 2700), Latin American Business Centre (+55 11 5188 8166) and Middle East Business Centre (+971 6552 8073).

About Servomex Group Ltd
As the world expert in gas analysis, Servomex has established itself as the leading provider of reliable, accurate and stable gas measurement solutions to industries across the globe.

An acknowledged innovator in gas analysis technologies for more than 60 years, Servomex is the originator of and world leader in paramagnetic sensing technology and has an exceptional reputation in the development of zirconia, laser (TDL), gas chromatography, FID, coulometric, photometric and thick film technologies. With a leading edge in R&D and manufacturing maintained by two Technical Centres based in Crowborough, UK and Boston, Massachusetts, the  result is high-performance, gas analysis, delivered through a portfolio of dependable products ranging from portable gas analyzers to complex process solutions..

Servomex is committed to providing excellence in customer service, offering full sales and service support through global business centres based in Houston, Texas; Mumbai, India; São Paulo, Brazil; Shanghai, China; Sharjah Dubai, United Arab Emirates; and Zoetermeer, Netherlands; By combining global expertise with local support, Servomex delivers product and services that ensures customers improve output quality, maintain plant and process safety and meet legislative requirements.

Servomex is part of Spectris plc, a leading supplier of instrumentation and controls to global markets.
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