- Chrom. Food Chem., 52, 2004, 550-556. class: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 35C(5min) =>2C/min =>60C =>5C/min =>200C =>25C/min =>250C (10min); CAS no: 71363; Active phase: CP-Wax 52CB; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Tsakiris, A.; Sipsas, V.; Bekatorou, A.; Mallouchos, A.; Koutinas, A.A., Red wine making by immobilized cells and influence on volatile composition, J. Agric. VII. Nonpolar is a type of covalent bond where atoms share electrons equally. Its non-polarity tells us that the only intermolecular forces it has are London dispersion forces. ; Marbot, R.; Vazquez, C., Characterization of volatiles in Loquat fruit (Eriobotrya japonica Lindl. The arrows are equal in length, and the arrangement is symmetrical. ; Edwards, P.A., Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups, Anal. ; Farmer, L.J., Identification of major volatile odor compounds in frankfurters, J. Agric. Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo). To determine if something has a nonpolar or polar bond, there are rules and steps to follow. A molecule is polar if theres a significant difference in the electronegativity charges between elements. A, 903, 2000, 117-143. ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 65 C; End T: 250 C; End time: 60 min; Start time: 10 min; CAS no: 71363; Active phase: AT-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Pino, J.A. Food Chem., 52, 2004, 5124-5134. ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 250 C; End time: 5 min; Start time: 2 min; CAS no: 71363; Active phase: ZB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Wu, S.; Zorn, H.; Krings, U.; Berger, R.G., Volatiles from submerged and surface-cultured beefsteak fungus, Fistulina hepatica, Flavour Fragr. Ionic bonds, like those in table salt (NaCl), are due to electrostatic attractive forces between their positive (Na+) and negative charged (Cl-) ions. As a result, the dipole of the molecule of Ethylene turns out to be zero. Dairy Sci., 65, 1982, 191-196. ass: Standard non-polar; Column type: Capillary; CAS no: 71363; Active phase: OV-1; Data type: Normal alkane RI; Authors: Ramsey, J.D. ; Fletcher G.; Xu L.; Dufour J.P., Analysis of volatile compounds as spoilage indicators in fresh king salmon (Oncorhynchus tshawytscha) during storage using SPME-GC-MS, J. Agric. The molecules have an uneven distribution of charge across it. Food Chem., 47, 1999, 2690-2696. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 35 C; End T: 195 C; End time: 90 min; Start time: 5 min; CAS no: 71363; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Chung, H.Y. 78.05 g/mol; 112.09 g/mol; Chromatogr., 22(10), 1999, 589-593. umn class: Standard polar; Column length: 3 m; Column type: Packed; Start T: 120 C; CAS no: 71363; Active phase: PEG-2000; Carrier gas: He; Substrate: Celite 545 (44-60 mesh); Data type: Kovats RI; Authors: Anderson, A.; Jurel, S.; Shymanska, M.; Golender, L., Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. Retention indices of amines in some polar and unpolar stationary phases, Latv. Acta., 560, 2006, 103-109. ass: Standard non-polar; Column type: Capillary; CAS no: 71363; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Estrada, E.; Gutierrez, Y., Modeling chromatographic parameters by a novel graph theoretical sub-structural approach, J. Chromatogr. J. Enol. lar nn-p-lr : not polar especially : consisting of molecules not having a dipole a nonpolar solvent Example Sentences Recent Examples on the Web The remaining nonpolar molecules in food - like fats and minerals - are not heated by the microwaves themselves. Chem. ). VI. ; Castanho, R.D.M. ; Yamaguchi, M., Gas chromatographic retention as identification criteria, Anal. Polar molecules must contain polar bonds due to a difference in electronegativity between the bonded atoms. ; Anvaer, B.I. The atoms attached to the atom arent all the same. Res. Posts. A, 1160, 2007, 276-288. umn class: Standard non-polar; Column type: Capillary; Start T: 105 C; CAS no: 71363; Active phase: Polydimethyl siloxane; Data type: Normal alkane RI; Authors: Tello, A.M.; Lebron-Aguilar, R.; Quintanilla-Lopez, J.E. ; Flath, R.A.; Mon, T.R., Volatile components of bittermelon, J. Agric. Which alcohol is most soluble in water? Cite . Res., 101(D9), 1996, 14697-14710. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 250 C; End time: 20 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Brat, P.; Rega, B.; Alter, P.; Reynes, M.; Brillouet, J.-M., Distribution of volatile compounds in the pulp, cloud, and serum of freshly squeezed orange juice, J. Agric. ; Noble, A.C., Characterization of odor-active compounds in Californian Chardonnay wines using GC-olfactometry and GC-mass spectrometry, J. Agric. A, 858, 1999, 187-199. ass: Standard non-polar; Column type: Capillary; CAS no: 71363; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Feng, H.; Mu, L.-L., Quantitative structure-retention relationships for alkane and its derivatives based on electrotopological state index and molecular shape index, Chem. Food Chem., 32(1), 1984, 59-64. umn class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 60 C; CAS no: 71363; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Castello, G.; Vezzani, S.; Moretti, P., The selectivity and polarity of carbon layer open tubular capillary columns modified with a polar liquid phase, J. Hi. The arrows are of different lengths, and the arrangement is asymmetrical or uneven. Food Agric., 84, 2003, 5-20. class: Standard polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Description: 70C(1min) =>3C/min =>142C =>5C/min =>225C(10min); CAS no: 71363; Active phase: FFAP; Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Lopez, M.L. Answer link. ; Kuz'menko, T.E. J., 18, 2003, 492-496. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 60 C; End T: 280 C; End time: 40 min; Start time: 10 min; CAS no: 71363; Active phase: CP Sil 5 CB; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Pino, J.A. Sci., 55(5), 1990, 1325-1326. ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 230 C; End time: 25 min; Start time: 5 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Dregus, M.; Engel, K.-H., Volatile constituents of uncooked Rhubarb (Rheum rhabarbarum L.) stalks, J. Agric. ; Alspach, P.A. "In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multipole moment. One part has a partial positive charge, while the other part has a partial negative charge. Term. J., 14, 1999, 191-194. ass: Standard polar; Column length: 5.5 m; Column type: Packed; Heat rate: 10 K/min; Start T: 70 C; End T: 175 C; Start time: 9 min; CAS no: 71363; Active phase: PEG-20M; Carrier gas: N2; Substrate: Celite; Data type: Kovats RI; Authors: Galt, A.M.; MacLeod, G., Headspace sampling of cooked beef aroma using Tenax GC, J. Agric. ; Santiuste, J.M., Isothermal retention indices on poly93-cyanopropylmethyl)siloxane stationary phases, J. Chromatogr. Plants and Orientation of Predatory Mites (Neoseiulus cucumeris, N. californicus, and Euseius finlandicus), J. Agric. J., 81, 2005, 184-190. umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Start T: 20 C; CAS no: 71363; Active phase: HP-1; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Wang, Y.; Liu, J.; Li, N.; Shi, G.; Jiang, G.; Ma, W., Preliminary study of the retention behavior for different compounds using cryogenic chromatography at different initial temperatures, Microchem. ; Madruga, M.S. III. ; Wills, M.T., Speciation of the volatile organic compounds (VOCs) in solventborne aerosol coatings by solid phase microextraction-gas chromatography, J. Food Chem., 37(2), 1989, 418-420. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 30 C; End T: 200 C; End time: 20 min; Start time: 25 min; CAS no: 71363; Active phase: DB-1; Carrier gas: He; Data type: Normal alkane RI; Authors: Buttery, R.G. Chem., 69, 2004, 179-187. class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 40C(3min) =>10C/min =>90C =>2C/min =>230C (37min); CAS no: 71363; Active phase: DB-Wax Etr; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Loskos, N.; Hernandez-Orte, P.; Cacho, J.; Ferreira, V., Release and formation of varietal aroma compounds during alcoholic fermentation from nonfloral grape odorless flavor precursors fractions, J. Agric. Chem. Because of the tetrahedral form of fluoromethane (CH3F). Transl. Food Chem., 49, 2001, 2409-2413. ass: Semi-standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 180 C; Start time: 3 min; CAS no: 71363; Active phase: HP-5; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Jung, A.; Wichmann, K.-H.; Kolb, M., VOC emission of polymeric packaging materials, LaborPraxis, 23(9), 1999, 20-22. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 30 C; End T: 250 C; End time: 5 min; Start time: 2 min; CAS no: 71363; Active phase: PoraPLOT; Carrier gas: He; Data type: Normal alkane RI; Authors: Ojanpera, I.; Pihlainen, K.; Vuori, E., Identification limits for volatile organic compounds in the blood by purge-and-trap GC/FTIR, J. Anal. Technol. Chem. (2.) Food Chem., 37(4), 1989, 1009-1012. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 175 C; End time: 20 min; Start time: 5 min; CAS no: 71363; Active phase: Supelcowax-10; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Vejaphan, W.; Hsieh, T.C.Y. Nucl. Nonpolar covalent bond: The arrows are equal in length, and the arrangement is symmetrical. Food Chem., 42(4), 1994, 977-983. ass: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 60 C; End T: 180 C; Start time: 4 min; CAS no: 71363; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Kawakami, M.; Kobayashi, A., Volatitle constituents of greem mate and roasted mate, J. Agric. The C-H bond is considered non-polar due to the difference in electronegativy if the atoms. J., 20, 2005, 22-29. ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 45 C; End T: 250 C; End time: 12 min; Start time: 1 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Malliaa, S.; Fernandez-Garcia, E.; Bosset, J.O., Comparison of purge and trap and solid phase microextraction techniques for studying the volatile aroma compounds of three European PDO hard cheeses, Int. Food Chem., 41(11), 1993, 2056-2062. ass: Standard non-polar; Column diameter: 0.31 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 0 C; End T: 225 C; Start time: 1 min; CAS no: 71363; Active phase: OV-101; Carrier gas: He; Data type: Normal alkane RI; Authors: del Rosario, R.; de Lumen, B.O. One way to remember the difference is to associate the letters of the words with the attribute of the electrons. Polar vs. Nonpolar Solvents: Identifications and Examples. A, 1160, 2007, 276-288. umn class: Standard non-polar; Column type: Capillary; Start T: 90 C; CAS no: 71363; Active phase: Polydimethyl siloxane; Data type: Normal alkane RI; Authors: Tello, A.M.; Lebron-Aguilar, R.; Quintanilla-Lopez, J.E. A, 1154, 2007, 331-341. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 260 C; End time: 10 min; Start time: 2 min; CAS no: 71363; Active phase: DB-5; Phase thickness: 1 um; Data type: Linear RI; Authors: Methven L.; Tsoukka M.; Oruna-Concha M.J.; Parker J.K.; Mottram D.S., Influence of sulfur amino acids on the volatile and nonvolatile components of cooked salmon (Salmo salar), J. Agric. All the atoms attached to the middle atom are identical. ; Mesa, J.; Munoz, Y.; Marti, M.P. Chem. Chromatogr., 354, 1986, 1-6. umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; Start T: 120 C; CAS no: 71363; Active phase: OV-1; Substrate: Gas Chrom Q; Data type: Kovats RI; Authors: Valko, K.; Papp, O.; Darvas, F., Selection of Gas Chromatographic Stationary Phase Pairs for Characterization of the 1-Octanol-Water Partition Coefficient, J. : TWA 100 ppm (300 mg/m 3 ). Vitic, 31(1), 1980, 69-75. umn class: Standard non-polar; Column diameter: 0.31 mm; Column length: 25 m; Column type: Capillary; Start T: 75 C; CAS no: 71363; Active phase: OV-1; Carrier gas: He; Phase thickness: 0.52 um; Data type: Kovats RI; Authors: Guan, Y.; Kiraly, J.; Rijks, J.A., Interactive retention index database for compound identification in temperature-programmed capillary gas chromatography, J. Food Chem., 35(4), 1987, 538-540. ass: Standard non-polar; Column type: Capillary; CAS no: 71363; Active phase: OV-101; Data type: Normal alkane RI; Authors: Shibamoto, T., Retention Indices in Essential Oil Analysis, in Capillary Gas Chromatography in Essential Oil Analysis, Sandra, P.; Bicchi, C., ed(s), Hutchig Verlag, Heidelberg, New York, 1987, 259-274. ass: Standard non-polar; Column type: Capillary; CAS no: 71363; Active phase: SE-30; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004. ass: Standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 260 C; Start time: 5 min; CAS no: 71363; Active phase: DB-1; Carrier gas: He; Phase thickness: 3 um; Data type: Normal alkane RI; Authors: J&W Scientific, Solvent Retention Data, 2003. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Start T: 60 C; CAS no: 71363; Active phase: DB-1; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Shimadzu, Gas chromatography analysis of organic solvents using capillary columns (No. ; Ling, L.C., Additional studies on flavor components of corn tortilla chips, J. Agric. Syriaca), J. Agric. Vestis Kim. Ser., , 1973, 51-63. umn class: Standard polar; Column length: 3 m; Column type: Packed; Start T: 152 C; CAS no: 71363; Active phase: PEG-2000; Carrier gas: He; Substrate: Celite 545 (44-60 mesh); Data type: Kovats RI; Authors: Anderson, A.; Jurel, S.; Shymanska, M.; Golender, L., Gas-liquid chromatography of some aliphatic and heterocyclic mono- and pollyfunctional amines. ; Rule, D.C.; Field, R.A., Isolation and identification of volatiles and condensable material in raw beef with supercritical carbon dioxide extraction, J. Agric. Food Chem., 39(8), 1991, 1498-1500. ass: Standard polar; Column diameter: 0.31 mm; Column length: 25 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 50 C; End T: 200 C; CAS no: 71363; Active phase: Carbowax 20M; Phase thickness: 0.3 um; Data type: Linear RI; Authors: Suarez, M.; Duque, C., Change in volatile compounds during lulo (Solanum vestissimum D.) fruit maturation, J. Agric. ; Wills, M.T., Speciation of the volatile organic compounds (VOCs) in solventborne aerosol coatings by solid phase microextraction-gas chromatography, J. (Engl. ), 49(2), 2000, 317-320. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 71363; Active phase: SE-30; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Golovnya, R.V. azul, J. Agric. Silylated derivatives of polar compounds, J. ; Samusenko, A.L., Gas-chromatographic method of evaluation of n-alkanol ability for self-association in pure liquid, Russ. ; Kuz'menko, T.E. 2), 2003. class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 0C (8 min) ^ 4 K/min -> 110 0C ^ 16 K/min -> 200 0C; CAS no: 71363; Active phase: Carbowax 20M; Carrier gas: H2; Data type: Kovats RI; Authors: Garruti, D.S. Int., 35, 2002, 43-53. class: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Description: 35C(2min) =>5C/min => 170C =>20C/min =>240C (10min); CAS no: 71363; Active phase: FFAP; Carrier gas: He; Phase thickness: 0.3 um; Data type: Linear RI; Authors: Fuhrmann, E.; Grosch, W., Character impact odorants of the apple cultivars Elstar and Cox Orange, Nahrung/Food, 46(3), 2002, 187-193. ass: Standard polar; Column diameter: 0.75 mm; Column length: 150 m; Column type: Capillary; CAS no: 71363; Active phase: Carbowax 20M; Data type: Linear RI; Authors: Whitfield, F.B. Diethyl ether is at the lower end of the polarity scale and so is generally considered a 'non-polar' solvent . Transl. Is C2H4O polar or non polar? ; Franco, M.R.B. J., 18, 2003, 15-17. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 80 C; End T: 250 C; End time: 47 min; CAS no: 71363; Active phase: TC-Wax; Carrier gas: He; Data type: Normal alkane RI; Authors: Miyazawa, M.; Kurose, K.; Itoh, A.; Hiraoka, N., Comparison of the essential oils of Glehnia littoralis from Northern and Southern Japan, J. Agric. (Engl. Chromatogr., 436, 1988, 137-172. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 0 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 280 C; End time: 5 min; Start time: 2 min; CAS no: 71363; Active phase: CP-Sil 8CB-MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Elmore, J.S. Stable. Environ. Food Chem., 32, 1984, 987-992. umn class: Standard non-polar; Column diameter: 0.33 mm; Column length: 25 m; Column type: Capillary; Start T: 80 C; CAS no: 71363; Active phase: SE-30; Data type: Kovats RI; Authors: Haken, J.K.; Korhonen, I.O.O., Gas chromatography of homologous esters. ; Rankin, S.A., Solvent type affects the number, distribution, and relative quantities of volatile compounds found in sweet whey powder, J. Chromatogr., 101, 1974, 103-123. umn class: Standard non-polar; Column length: 2 m; Column type: Packed; CAS no: 71363; Active phase: SE-30; Substrate: Chromosrb G; Data type: Kovats RI; Authors: Moffat, A.C.; Stead, A.H.; Smalldon, K.W., Optimum use of paper, thin-layer and gas-liquid chromatography for the identification of basic drugs. ; Jurs, P.C. Dependence of the retention index on the composition of the stationary phase, J. Chromatogr. ; Onuchak, L.A., Analysis of Mixtures Containing Unknown Components by Gas Chromatography: Determination of Molecular Mass, J. Anal. Contribution of dynamic headspace GC-MS analysis of aroma compounds to authenticity testing of honey, Food Chem., 72, 2001, 511-520. class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 45C(4min) => 30C/min => 60C (5min) => 3C/min => 220C (40min); CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Data type: Linear RI; Authors: Ziegleder, G., Odorous compounds in paperboard as influenced by recycled material and storage, Packag. Chromatogr., 410, 1987, 13-29. umn class: Standard polar; Column length: 2 m; Column type: Packed; Start T: 75 C; CAS no: 71363; Active phase: Carbowax 20M; Carrier gas: N2; Substrate: Kieselgur (60-100 mesh); Data type: Kovats RI; Authors: Goebel, K.-J., Gaschromatographische Identifizierung Niedrig Siedender Substanzen Mittels Retentionsindices und Rechnerhilfe, J. Food Chem., 51, 2003, 6530-6536. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 230 C; End time: 5 min; Start time: 2 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Xu, Y.; Fan, W.; Qian, M.C., Characterization of Aroma Compounds in Apple Cider Using Solvent-Assisted Flavor Evaporation and Headspace Solid-Phase Microextraction, J. Agric. Almost yours:. Food Chem., 49, 2001, 5929-5933. class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: -30C(1min)=>100C/min=>40C(4min)=>2C/min=>90C=>4C/min=>130C=>8C/min=>250C; CAS no: 71363; Active phase: BPX-5; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: van Ruth, S.M. Food Chem., 22(5), 1974, 827-831. ass: Standard polar; Column diameter: 0.03 in; Column length: 500 ft; Column type: Capillary; Heat rate: 2 K/min; Start T: 60 C; End T: 190 C; Start time: 2 min; CAS no: 71363; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Kinlin, T.E. Data, , 1975, d14-d16. ; Goodner, K.L., Volatile components and aroma active compounds in aqueous essence and fresh pink guava fruid puree (Psidium guajava L.) by GC-MS and multidimensional GC/GC-O, J. Agric. ), J. Agric. Lancelot) enzyme extract and linoleic acid or linolenic acid, J. Agric. ; Grossmann, I.; Geary, M.; Delahunty, C.M., Interactions between artificial saliva and 20 aroma compounds in water and oil model systems, J. Agric. A polar molecule always contains polar bonds, but some molecules with polar bonds are nonpolar. I want to find a suitable chromatographic column, the capillary column and filling column are all possible.Full separation, sea friends who have experienced analysis experience, thank you ; Maltby, D., Prediction of retention indexes. Solution for covalent bonds which do not share their electrons equally are called a. polar b. electrolytes c. nonpolar d. ionic bonds Skip to main content . . The hyperconjugation effect lowers the acidity of the compound. ; Larsen, T.O., Prediction of Penicillium expansum Spoilage and Patulin Concentration in Apples Used for Apple Juice Production by Electronic Nose Analysis, J. Agric. Whereas the Linear molecules are said to be non-polar in nature. Dairy Sci., 65, 1982, 191-196. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 80 C; End T: 250 C; CAS no: 71363; Active phase: TC-WAX FFS; Carrier gas: He; Data type: Normal alkane RI; Authors: Miyazawa, M.; Kurose, K.; Itoh, A.; Hiraoka, N.; Kameoka, H., Components of the essential oil from Glehnia littoralis, Flavour Fragr. The resultant covalent bond is called a polar covalent bond. Structure-retention increments of aliphatic esters, J.