Fig. 1. Configuration of a MDGC-MS system. 1. Sampling injection port 2. 1stdetector (FID) 3. 2nd detector (MSD) 4. Switching element
Fig. 2. Deans switching system in GC. 1. Pressure controller 2. 1st Detector (FID)
Fig. 3. FID chromatograms of DiEGME and antioxidants in ethanol with Deans switching in standby mode.
Fig. 4. A SCAN result obtained from each 100 mg/L DiEGME and antioxidants in ethanol with Deans switching in cut mode.
Fig. 5. 1st and 2nd dimension chromatogram of each 100 mg/L DiEGME and antioxidants in Jet A-1 fuel with Deans switching in cut mode
Fig. 6. Chromatogram of (a) blank Jet A-1 and (b) 10 mg/L of DiEGME and antioxidants in Jet A-1 obtained by GC-MS.
Fig. 7. Chromatogram of (a) blank Jet A-1 and (b) 10 mg/L of DiEGME and antioxidants in Jet A-1 obtained by MDGC-MS.
Fig. 8. Calibration curves for each DiEGME and antioxidants in Jet A-1 obtained by (a) GC-MS and (b) MDGC-MS. ☐ DiEGME ○ DTBP Δ DTBMP ∇ DMTBP
Table 1. Detailed information of additives for AVTUR
Table 2. Operating conditions of GC-MS
Table 3. Operating conditions of MDGC-MS
Table 4. SIM group of targeted compounds and start time in GC-MS and MDGC-MS
Table 5. Linearity and LOD of additives in AVTUR
References
- T. Edwards, "Liquid fuels and propellants for aerospace propulsion: 1903-2003", J. of Propulsion and Power, Vol. 19, pp. 1089-1107 (2003). https://doi.org/10.2514/2.6946
- CRC Report No. 663, Handbook of aviation fuel properties, 4th ed., pp. 36-38, Coordinating Research Council, Inc., Alpharetta, GA, USA (2014).
- ASTM D1655, "Standard Specification for Aviation Turbine Fuels", ASTM International, PA, USA (2018).
- Defence Standard 91-91 Issue 7 - Turbine Fuel, Kerosine Type, Jet A-1 (NATO Code: F-35 / Joint Service Designation: AVTUR), Ministry of Defence, UK (2015).
- MIL-DTL-83133J, "Turbine fuel, Aviation, Kerosene Type, JP-8 (NATO F-34), NATO F-35, and JP-8+100 (NATO F-37), Department of Defense", USA (2015).
- H. S. Shin, H. S. Ahn, D. G. Jung, "Determination of phenolic antioxidants in spilled aviation fuels by gas chromatography-mass spectrometry", Chromatographia, Vol. 58, pp. 495-499 (2003).
- H. S. Shin, H. S. Ahn, "Gas chromatography-mass spectrometric determination of traces of ether-type icing inhibitors in free-floating fuels", Chromatographia, Vol. 60, pp. 235-239 (2004).
- H. S. Ahn, "GC-MS determination of antioxidants in ground water contaminated with JP-8", Chromatographia, Vol. 66, pp. 893-897 (2007). https://doi.org/10.1365/s10337-007-0413-5
- Y. K. Lim, C. S. Jeong, K. W. Han, Y. J. Jang, "Analysis of jet fuel for the judgment of soil polluter", Appl. Chem. Eng., Vol. 25, pp. 27-33 (2014). https://doi.org/10.14478/ace.2013.1088
- ASTM D5006, "Standard Test Method for Measurement of Fuel System Icing Inhibitors (Ether Type) in Aviation Fuels", ASTM International, PA, USA (2016).
- IP 424, "Determination of Fuel System Icing Inhibitor Content of Aviation Turbine Kerosines by High Performance Liquid Chromatography", The Energy Institute, London, UK (2010).
- M. Bernabei, E. Spila, G. Sechi, "Determination of anti-icing additives in jet fuels", Analytical Letters, vol. 30, pp. 2085-2097 (1997). https://doi.org/10.1080/00032719708001723
- M. Bernabei, G. Bocchinfuso, P. Carrozzo, C. De Angelis, "Determination of phenolic antioxidant in aviation Jet fuel", J. Chromatogr. A, Vol. 871, pp. 235-241 (2000). https://doi.org/10.1016/S0021-9673(99)01274-1
- P. M. Rawson, C. A. Stansfield, R. L. Webster, D. Evans, "Re-addition of antioxidant to aged MEROX and hydroprocessed jet fuels", Fuel, Vol. 139, pp. 652-658 (2015). https://doi.org/10.1016/j.fuel.2014.09.048
- Introduction of MDGCsolution, Shimadzu Application News, No. G255, Shimadzu, Japan.
- J. M. Youn, J. W. Doh, I. H. Hwang, S. L. Kim, Y. Kang, "Determination of fatty acid methyl ethers (FAME) content in aviation turbine fuel using multi-dimensional GC-MS", J. Oil & Appl. Sci., Vol. 34, pp. 717-726 (2017).