Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"Mass Chromatography"”.
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The analysis of organic ballistic materials
Both gas chromatography/mass chromatography (GC/MS) and solid phase microextraction (SPME) methodologies have been developed for the extraction and analysis of compounds encountered in relation to unburned propellant powders from firearm ammunitions. These methods allowed the detection of 27 …
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Untersuchungen der elektrochemischen Eigenschaften pH-sensitiver Feststoffsensoren in unpolaren Flüssigkeiten
… in the gas phase of the oil. Through gas and mass chromatography it was shown that these substances were mainly additives, their by-products and organic acids. The amount of these changes with ongoing aging of the oil and can thereby be used as an indicator for the oil condition. Only organic …
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Synthesis, Fractionation, Characterisation and Toxicity of Naphthenic Acids from Complex Mixtures
… by interpretation of the electron ionisation mass spectra of methyl ester derivatives, following comprehensive multidimensional gas chromatography-mass spectrometry (GCxGC-MS). Reference acids were then either purchased, or more commonly, where they were not commercially-available, …