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Category Archives: Stir Bar Sorptive Extraction
Stir Bar Sorptive Extraction (SBSE) is a solvent free extraction technique for the preparation of samples for analysis by Gas Chromatography Mass Spectrometry (GC-MS). The technique is environmentaly friendly as it avoids the use of toxic solvents and is useful for those who aim to practice green chromatography.
“Can you take a quick look and tell me what’s in this?”
How many times have you been asked that question? Assuming the “what” is a small organic molecule, then GC-MS is the tool that you would probably turn to, but you can easily come to grief with the sample preparation and introduction, … Continue reading →
My Presentation at the ChromSoc Meeting
On Wednesday the 9th November 2011, there is a one day meeting; “Advances in GC Technology” at LGC, Runcorn, Cheshire, Organised by The Chromatographic Society and the North West Region of the Analytical Division of the Royal Society of Chemistry. … Continue reading →
Headspace Analysis – A Summary of Possibilities
Classical Static Headspace analysis works by analysing the vapour above the sample at equilibrium. Doing this gives good quantitative data for volatile constituents, keeps your whole GC or GC-MS perfectly clean and operating reliably with limited sample preparation and enables … Continue reading →
What Every GC-MS User Should Know About the GERSTEL TDU
Many analysts find that their workload consists of a mixture of the routine and the unpredictable. A GC-MS is a great tool for both kinds of work, but sample preparation can be a problem. Most labs are well equipped for … Continue reading →
Stir Bar Sorptive Extraction – Are We Missing Something?
A few weeks ago, at Pittcon 2011 in Atlanta, I bumped into David Benanou of Veolia Water. David informed me that he had recently attracted over 1,200 people to a conference in France that he had organized, on the topic … Continue reading →