Chromatography

In September 2008 almost 52,000 infants in China suffered urinary problems from consumption of melamine contaminated baby-formulas and some other dairy products (WHO, 2009). By the end of November 2008 almost 300,000 infants were affected and six deaths have been confirmed by the Chinese Ministry of Health. A low level of melamine contamination was also found […]

Gas Chromatography (GC) is one of the primary analytical techniques used in every CSI laboratory.

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.

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 […]

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 […]