Articles on: Gas Chromatography

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Back in 2005 two Russian scientists Berezkin and Lapin [1] investigated the application of ultra-short capillary gas chromatography (GC) columns. Ordinary, the GC columns are extremely lengthy and range from 10 to 150 meters in order to achieve effective separation of mixed components. Berezkin’sĀ earlier research [2] showed that 75% of all GC columns used in […]

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Choosing the right column is key in Gas Chromatography. “Columns for Gas Chromatography: Performance and Selection” is a new hands-on reference for scientists and technicians working with packed column and capillary column gas chromatography. The authors Eugene F. Barry (University of Massachusetts Lowell) and Robert L. Grob (Villanova University) discuss the development, performance, selection, and […]

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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 […]

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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 […]

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“What is the response factor in chromatography?” is a question on Yahoo Answers. So far there has been two answers: 1) A wordy and a bit confusing text book reply tailored more towards Gas Chromatography. Response Factor The size of a spectral peak is proportional to the amount of the substance that reaches the detector […]

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“HPLC for Pharmaceutical Scientists” is a new hardcover book edited by Yuri V. Kazakevich and Rosario LoBrutto with a price tag of $159 at Amazon. This is an excellent book for both novice and experienced pharmaceutical chemists that provides a unified approach to HPLC with a balanced treatment of the theory and practice of HPLC […]

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A few years back during my 3 month trip to China I remember noticing enormous number of pharmacies that sold traditional Chinese medicine. Everywhere I went in China they looked more or less the same just like an old-fashion pharmacy of the 1920s here in the West with its wooden drawers and cabinets full of […]

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A breakthrough patent awarded to a New Jersey Institute of Technology (NJIT) researcher will enable manufacturers to create a device to detect miniscule amounts of airborne pollutants. Using computer chip technology, Somenath Mitra, PhD, professor and chair of NJIT’s Department of Chemistry and Environmental Sciences, has developed and patented what could eventually become a simple […]

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The AP released the highlights of the first day of Floyd Landis arbitration hearing in Malibu who is the first Tour de France winner in its 104-year history to be stripped of his title because he tested positive for steroids. What caught my attention and really made me laugh was The Mercury News definition of […]

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This is another Q&A from Yahoo! Answers which I could not stay away from. The question was asked by “pigpigletpoker” and has already received two answers. Dave_Stark said: Make a chromatogram of the paint found on the other car involved in the accident. Then do a side-by-side chromatogram of the red paint from the two […]

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