Search Results for: “sampling

Particle Sampling in Space: A New Frontier

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Why are we sampling particles in space? Our understanding of the living conditions astronauts experience in the International Space Station (ISS) may be colored by our exposure to science fiction. Based on this experience, you might assume that an unknown airborne substance in a spacecraft was of alien origin, seeping in by accident or on […]

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Terms and Conditions

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  • 4:28PM Apr 06, 2020
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Terms and Conditions of Sale for RJ Lee Group, Inc. Services   FORMATION OF CONTRACT. Any term of Customer’s order or of releases pertaining thereto or in any communications from Customer, which is in any way inconsistent with or in addition to the Terms and Conditions set forth hereof, is objected to by RJ Lee […]

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RJ Lee Group Provides Commercial PTR-MS & Support to Identify Secondary Organic Aerosol Precursors

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In a recent study, RJ Lee Group alongside researchers from multiple academic and industry entities such as Carnegie Mellon University and NOAA have worked jointly on identifying the sources for secondary organic aerosols (SOA) in source-rich urban environments. The team performed mobile sampling studies involving the highly sophisticated aerosol mass spectrometer (AMS) and two different […]

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Philadelphia Refinery Explosion – Air Quality Impact

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On Friday, June 21, 2019 at 4:00 a.m., a massive series of explosions erupted on a South Philadelphia refinery complex. According to the Philadelphia Fire Department, a vat of butane had ignited and eventually exploded. The fire caused a thick cloud of smoke to cover the neighboring areas, particularly concentrated east of the refinery. RJ […]

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Application of the Liquid Chromatography/Mass Spectrometer/Mass Spectrometer (LC/MS/MS) Instrument

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LC/MS/MS Instrument Arrives at RJLG Recently obtained by the RJ Lee Group, the liquid chromatography/mass spectrometer/mass spectrometer (LC/MS/MS) is an instrument with exceptional capability for both qualitative and quantitative analysis. It has remarkable sensitivity and is capable of providing fast and accurate identification of targeted compounds of interest. In many instances the instrument will be […]

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