'Gas chromatography mass spectroscopy' diaporamas de présentation

Mass spectrometry

M (g) + e - ? M + (g) + 2e -. Mass spectrometry. Mass spectrometry is an analytical technique that can be used to deduce the molecular formula of an unknown compound. Gaseous molecules of the compound are bombarded with high-speed electrons from an electron gun.

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Target Organic Contaminant Library Development in Support of Sample Analysis at Mars (SAM)

Raul Garcia-Sanchez Research Investigator: Dr. Paul R. Mahaffy Code 699, NASA Goddard Space Flight Center Research Mentor: Dr. Prabhakar Misra Department of Physics & Astronomy, Howard University. Target Organic Contaminant Library Development in Support of Sample Analysis at Mars (SAM).

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Detecting Aluminum in Drinking Water

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Tab3

Supplemental Table SIII Metabolite profiling, based on gas chromatography:mass spectroscopy. Data are ratios HOSUT10 grains:wildtype grains, values in bold, significant differences (P < 0.1, in italics and P < 0.05 upright).

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