Design and development of an electrohydraulically actuated gas sampling valve is presented for use in auto engine combustion studies. The valve was developed with particular emphasis on sampling ...

In this protocol, the sample (which could be a bulk or heterogeneous fluid, or a greasy surface) is treated with a neutral desorption (ND) sampling gas beam, and the resulting analyte mixtures are ...

There are numerous approaches that can be used during an environmental investigation to evaluate subsurface conditions. These can vary based on the media requiring investigation and the ultimate ...

This customized Agilent 7890B Gas Chromatography system is equipped with a gas sampling valve at the inlet which is designed for direct gas sample tests. Two detectors, Thermal Conductivity Detector ...

When US government scientists began sampling the air from a tower north of Denver, Colorado, they expected urban smog — but not strong whiffs of what looked like natural gas. They eventually linked ...

Headspace sampling is an ideal way of introducing a sample into a GC. It avoids the introduction of involatile or high-boiling contaminants from the sample matrix and it can often be used for the ...

Headspace sampling is an ideal way of introducing a sample into a GC. It avoids the introduction of involatile or high-boiling contaminants from the sample matrix and it can often be used for the ...

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