In comprehensive two-dimensional gas chromatography (GC6GC), two capillary columns are connected in series through an interface known as a "thermal modulator". This device transforms effluent from the first capillary column into a series of sharp injection-like chemical pulses suitable for high-spee
Allergic asthma exhaled breath metabolome: A challenge for comprehensive two-dimensional gas chromatography
✍ Scribed by Caldeira, M.; Perestrelo, R.; Barros, A.S.; Bilelo, M.J.; Morête, A.; Câmara, J.S.; Rocha, S.M.
- Book ID
- 118030079
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 648 KB
- Volume
- 1254
- Category
- Article
- ISSN
- 1873-3778
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## Abstract A simple flow‐switching device has been designed for use as a comprehensive two‐dimensional gas chromatography modulator. The device is constructed from fused silica tubing, t‐unions, and a solenoid valve. A series of experiments were conducted to determine the influence of primary flow
## Abstract In comprehensive 2D gas chromatography, the entire sample is simultaneously subjected to analysis on two capillary columns. By using a suitable modulation interface between the primary and secondary columns, hundreds of fast, second‐dimension chromatograms are produced. The data from th
## Abstract The modulation system in a comprehensive two‐dimensional gas chromatograph (GC×GC) can be regarded to be the heart of the analyzer. Different ways of modulating the effluent of the first column into very narrow pulses and injecting these onto the fast second column have been demonstrate