Environmental Laboratory Personal Air
Samplers—a New Approach for Industrial Hygiene
New EU 15+1 PAH Standard Offers High Stability and Dilution Flexibility
Restek (USA) is pleased to announce the release of a new EU 15+1 PAH reference standard for the analysis of PAHs in food and environmental samples. Formulated to contain the 16 major European Food Safety Authority (EFSA) PAH compounds, this new high concentration (100 µg/mL) blend can be diluted as needed to make economical fortification and calibration mixes. Our formulations chemists prepared this standard in toluene, as its lower volatility helps ensure longer shelf life, more accurate results, and suitability with both GC and LC methods. In addition, its broad solvent miscibility makes it compatible with acetonitrile, which is the QuEChERS solvent. In addition, being manufactured and QC-tested in Restek’s ISO-accredited labs means this standard will also help satisfy strict ISO requirements for the use of CRMs. This new standard is the latest addition to Restek’s expanding suite of products for PAH analysis. Restek also offers specialty GC and LC columns (Rxi-PAH, Pinnacle DB PAH, and Pinnacle II PAH), certified reference standards, Q-sep QuEChERS salts, Resprep SPE cartridges, and other products for high-quality chromatographic separations of critical polycyclic aromatic hydrocarbons.
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The Aura personal air sampler from Restek is setting a new standard in sampling technology. This innovative passive sampling device is designed to meet OSHA and NIOSH requirements, while overcoming the limitations of sorbent tubes and badges. Notably, this quiet, robust sampler does not require a pump and manages variations in face velocity, temperature, and humidity better than traditional sampling approaches. Since this is a whole air sampling technique, it allows multiple analyses of >100 VOCs, providing broader application utility than analyte-specific sorbent techniques. The Aura personal air sampler has a wider effective range than tubes and badges—it is sensitive down to pptv levels and there is no risk of breakthrough even at ppmv levels. Comfortable to wear and easy to operate, this novel sampler features a simple, quick connection that starts and stops flow with no flow calibration required.
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Try a New Vial Selection Tool
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Rxi® columns come with an unbeatable guarantee.
That is Restek® Pure Satisfaction.
Having trouble finding the vial you need? Restek’s new online vial selection tool gets you to the right vial fast. With just a few clicks you can choose the vial type, volume, colour, modifications, and orifice size- and the tool will provide ordering information for the vial that meets your specifications. In just seconds, you’ll find the vial that meets your requirements, as well as recommended caps and closures. Build-a- vial technology shows you the vial configuration as you make your selections.
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37149pr@reply-direct.com 36698pr@reply-direct.com 37619pr@reply-direct.com
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Leverage the outstanding inertness, low bleed, and high reproducibility of Rxi® 3-in-1 technology to gain:
• Accurate Data • The Right Results Fast • Maximized Instrument Uptime
Put Rxi® columns to work in your lab. Visit
www.restek.com/rxi and order yours today.
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Pure Chromatography
5692ad@reply-direct.com www.envirotech-online.com IET January / February 2016
www.restek.com/rxi
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