Comparison of the performance of forward fill/flush and reverse fill/flush flow modulation in comprehensive two-dimensional gas chromatography
| Autor: | Roman Gorovenko, Ivan Špánik, Matthew Giardina, Ján Krupčík, Pat Sandra |
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| Rok vydání: | 2016 |
| Předmět: |
Chromatography
Flow modulation Chemical substance Chromatography Gas Chemistry 010401 analytical chemistry Organic Chemistry Flow (psychology) Sampling (statistics) General Medicine Forward flow 010402 general chemistry Rosa 01 natural sciences Biochemistry Chemistry Techniques Analytical Hydrocarbons 0104 chemical sciences Analytical Chemistry Petroleum Volume (thermodynamics) Oils Volatile Two-dimensional gas Gas chromatography |
| Zdroj: | Journal of chromatography. A. 1466 |
| ISSN: | 1873-3778 |
| Popis: | The performances of forward flow fill and flush (FFF) and of reverse flow fill and flush (RFF) in flow modulated comprehensive two-dimensional gas chromatography (GC×GC) using the same volume of the sampling channel have been studied and compared. Sample models include a reference mixture of hydrocarbons at low concentration, a petroleum reformate product and the essential oil of Rosa damascena Miller. The latter samples contain solutes in different concentrations but some up to 30% allowing to study overloading phenomena in detail. For solutes injected at low quantity, the performance of FFF and RFF is similar. For solutes present in a sample at high quantity, RFF guarantees less broadening and spreading resulting in better quantitation. |
| Databáze: | OpenAIRE |
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