Posts tagged with: GC/MS
Tags: explosives forensic GC/MS
Gas Chromatography (GC) is one of the primary analytical techniques used in every CSI laboratory.
Fishy Chromatography
Posted in Column Chromatography
Tags: argentation column_chromatography DHA EPA GC/MS lipids
Folks from India extracted 99.6% pure eicosapentaenoic acid (EPA) using silver ion (argentation) column chromatography from hydrolyzed sardine oil. The individual fatty acids were determined as fatty acid methyl esters (FAME) by gas-liquid chromatography and gas chromatography-mass spectroscopy as FAME and N-acyl pyrrolidides.
Asparagusic Acid, Anyone?
Posted in Gas Chromatography
Tags: asparagus asparagusic Gas Chromatography GC/MS methanethiol thiol
Thank God for Greg’s post “Odeur d’Asperge” over at Carbon Tet! The mystery is solved, and I thought my kidneys were failing and I would have to spend the rest of my life on dialysis.
This spring I had become an avid admirer of the young asparagus shoots. And practically everyday for breakfast I had steamed […]
Cocaine Pollution
Posted in Gas Chromatography
Tags: cocaine column_chromatography electrospray Gas Chromatography GC/MS
Cocaine is presently the most abused substance in Americas; however, the stimulant is gaining new advocates at an alarming rate in western Europe as well.
In 2005, a group of researches from Italy analyzed water samples from the Po River in northern Italy for the presence of cocaine and its main urinary metabolite - benzoylecgonine (BE)[1]. […]
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