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Determination of Sulfur in Natural Gas by ASTM Method D 6228-11

Gary Engelhart;Laura Chambers;OI Analytical
September 1st 2013

OI Analytical

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Purge-and-Trap GC Analysis of Methane in Water Samples Associated with Hydraulic Fracturing

Gary Engelhart;Scott Hazard;Laura Chambers;OI Analytical
June 1st 2012

Shale gas reservoirs, such as the Marcellus shale reserve in Pennsylvania and Barnett shale reserve in Texas are a growing source of natural gas in the United States. Hydraulic fracturing or "fracking" involves pumping water, sand, and chemicals at extremely high pressure into deep underground wells to crack open hydrocarbon-rich shale formations and extract natural gas.

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Techniques for Reducing Purge-and-Trap Cycle Times in VOC Analysis

Moklesur Rahman;Laura Chambers;OI Analytical
February 1st 2008

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