Gabriel Vivó-Truyols from the Spanish Council for Scientific Research, Madrid, Spain. discusses his work on using graph theory and Bayesian statistics for peak assignment and chromatographic alignment.
|Articles|July 1, 2008
Needle Trap Device Used for Headspace Sampling
Workers at the University of Waterloo (Waterloo, Ontario, Canada) combined a needle trap device and a dynamic headspace method to sample an aqueous BTEX (benzene, toluene, ethylbenzene, and p-xylene) mixture.
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Workers at the University of Waterloo (Waterloo, Ontario, Canada) combined a needle trap device and a dynamic headspace method to sample an aqueous BTEX (benzene, toluene, ethylbenzene, and p-xylene) mixture. The device consisted of a 22-gauge stainless steel needle filled with divinylbenzene particles. A sequential purge-and-trap approach using a syringe pump followed the sampling step. The researchers obtained 1-ng/mL detection limits for BTEX using the technique.
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