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; Samusenko, A.L. ; Yang, Z.C. ), 49(2), 2000, 317-320. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 120 C; CAS no: 71363; Active phase: SE-30; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Golovnya, R.V. Chem., 380, 2004, 930-936. class: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Description: 40C (8min) => 3C/min => 180C => 20C/min => 230C; CAS no: 71363; Active phase: Carbowax 20M; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Boido, E.; Lloret, A.; Medina, K.; Farina, L.; Carrau, f.; Versini, G.; Dellacassa, E., Aroma composition of Vitis vinifera Cv. Molecules in one or more atoms have more than eight electrons (e.g., SF6). an ion and a polar molecule; the strength is proportionate to the size of polar molecule. Water is a polar molecule because its oxygen is strongly electronegative and, as such, pulls the electron pair towards itself (away from the two hydrogen atoms . Application to the Aroma Analysis of Melons, Peaches, Grapes, Strawberries, and Tomatoes, J. Agric. Structure-retention index relationship on polar columns, J. Chromatogr., 319, 1985, 131-142. ass: Standard polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 200 C; Start time: 5 min; CAS no: 71363; Active phase: CBP-20; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Shimadzu, Gas chromatography analysis of organic solvents using capillary columns (No. Campinas, 24(2), 2004, 212-216. 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: 185 C; End time: 20 min; Start time: 4 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lee, S.-J. Is C2H4O polar or non polar? Due to this similarity in electronegativity values, the C-H bond is considered non-polar. 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. Polymer Symp., , 1976, 889-901. ass: Semi-standard non-polar; Column diameter: 0.10 mm; Column length: 10 m; Column type: Capillary; Heat rate: 20 K/min; Start T: 40 C; End T: 280 C; End time: 1 min; Start time: 1 min; CAS no: 71363; Active phase: HP-5; Carrier gas: Helium; Phase thickness: 0.40 um; Data type: Normal alkane RI; Authors: Mildner-Szkudlarz, S.; Jelen, H.H., The potential of different techniques for volatile compounds analysis coupled with PCA for the detection of the adulteration of olive oil with hazelnut oil, Food Chem., 110, 2008, 751-761. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 20 K/min; Start T: 40 C; End T: 280 C; End time: 1 min; Start time: 1 min; CAS no: 71363; Active phase: MDN-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mildner-Szkudlarz, S.; Jelen, H.H. Sci., 71(4), 2002, 517-525. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 60 C; End T: 180 C; Start time: 4 min; CAS no: 71363; Active phase: DB-Wax; Data type: Normal alkane RI; Authors: Ito, Y.; Sugimoto, A.; Kakuda, T.; Kubota, K., Identification of potent odorants in Chinese jasmine green tea scented with flowers of Jasminum sambac, J. Agric. ; Ding, S.F. ; Pertierra-Rimada, E., Mixed stationary phases in gas-liquid chromatography. 2-methoxypropane is an ether compound having methyl and isopropyl as the two alkyl groups. Out of the first two, they are both polar but the iodide one has a much bigger mass 126 vs oxygen 16 or nitrogen 14. ; Shaw, P.E. Polar molecules have an unshared electron pair while the nonpolar molecule doesnt. Chem. Retention indices of amines in some polar and unpolar stationary phases, Latv. A, 773, 1997, 219-226. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 250 C; End time: 30 min; Start time: 3 min; CAS no: 71363; Active phase: Ultra-2; Carrier gas: He; Phase thickness: 0.52 um; Data type: Normal alkane RI; Authors: King, M.-F.; Matthews, M.A. Food Chem., 41(11), 1993, 2056-2062. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 240 C; Start time: 3 min; CAS no: 71363; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shiota, H., New esteric components in the volatiles of banana fruit (Musa sapientum L.), J. Agric. ; Kuz'menko, T.E., The use of a nonlinear equation for calculation of the retention indices of polar substances in gas chromatography with linear temperature programming, Russ. Fr., 1, 1968, 118-125. umn class: Standard non-polar; Column type: Packed; Start T: 120 C; CAS no: 71363; Active phase: Polydimethyl siloxane; Data type: Normal alkane RI; Authors: Tello, A.M.; Lebron-Aguilar, R.; Quintanilla-Lopez, J.E. Vitic, 31(1), 1980, 69-75. ass: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 70 C; End T: 200 C; Start time: 2 min; CAS no: 71363; Active phase: BP-20; Data type: Kovats RI; Authors: Wyllie, S.G.; Leach, D.N., Aroma volatiles of Cucumis melo cv. ; Yang, Z.C., Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns, J. ; Kim, J.-S., Analysis of volatile components in frozen and dried scallops (Patinopecten yessoensis) by gas chromatography/mass spectrometry, Food Res. Nevertheless, carbon tetrachloride is a non-polar molecule. Food Chem., 48, 2000, 3463-3469. 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: 200 C; 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: Umano, K.; Nakahara, K.; Shoji, A.; Shibamoto, T., Aroma chemicals isolated and identified from leaves of aloe arborescens Mill. Food Chem., 45, 1997, 850-858. ass: Standard polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 30 C; End T: 170 C; End time: 20 min; Start time: 2 min; CAS no: 71363; Active phase: Carbowax 20M; Carrier gas: He; Phase thickness: 0.2 um; Data type: Linear RI; Authors: Piry, J.; Pribela, A.; Durcanska, J.; Farkas, P., Fractionation of volatiles from blackcurrant (Ribes nigrum L.) by different extractive methods, Food Chem., 54, 1995, 73-77. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 200 C; Start time: 5 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Data type: Linear RI; Authors: Iwaoka, W.; Hagi, Y.; Umano, K.; Shibamoto, T., Volatile chemicals identified in fresh and cooked breadfruit, J. Agric. More polar molecules elute earlier, and may not interact with the column at all. It's essential for predicting molecular geometry, molecule polarity, and reactivity in a compound. is c4h10o polar or nonpolar. III. Chromatogr., 354, 1986, 1-6. ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 200 C; Start time: 5 min; CAS no: 71363; Active phase: CBP-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Shimadzu, Gas chromatography analysis of organic solvents using capillary columns (No. It is made up of three different atoms i.e., a carbon (C) atom in the center is bonded to 2 hydrogens (H) atoms and an oxygen (O) atom by single and double covalent bonds respectively. 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. ; Shaw, K.J., Volatile components from the roots of Acacia pulchella R.Br. Nonpolar covalent bond: The arrows are equal in length, and the arrangement is symmetrical. Vestis Kim. ; Bauer, B.; Kontominas, M.G., Effects of ionizing radiation on properties of monolayer and multilayer flexible food packaging materials, Radiat. Chim. USSR (Engl. Food Chem., 51, 2003, 1421-1426. class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: -50 0C (2 min) ^ 8 0C/min -> 200 0C (7.75 min) ^ 25 0C -> 225 0C (8 min); CAS no: 71363; Active phase: Methyl Silicone; Carrier gas: Helium; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Blunden, J.; Aneja, V.P. An organic chemist from Sacramento, CA, Justine has always been fascinated with evolution, organisms, and chemical reactions that take place. This is what is meant by neutral - polar or uncharged - polar. ; de Brito, E.S., Volatile compounds in passion fruit (Passiflora edulis forma Flavicarpa) and yellow mombin (Spondias mombin L.) fruits obtained by dynamic headspace technique, Cienc. The electronegativity values are equal or nearly equal. However, there are always exceptions. Toxicol., 65(1), 2000, 34-39. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 180 C; End time: 40 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lee, K.-G.; Shibamoto, T., Antioxidant properties of aroma compounds isolated from soybeans and mung beans, J. Agric. Polar and non-polar bonds are covalent bonds. The meaning of this is that there will be equal sharing of the electrons between the atoms. Food Chem., 46(12), 1998, 5232-5237. ass: Standard polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 40 C; End T: 180 C; End time: 15 min; Start time: 5 min; CAS no: 71363; Active phase: BP-20; Carrier gas: He; Phase thickness: 0.2 um; Data type: Normal alkane RI; Authors: Ramos, E.; Valero, E.; Ibanez, E.; Reglero, G.; Tabera, J., Obtention of a brewed coffee aroma extract by an optimized supercritical CO2-based process, J. Agric. Tannat: the typical red wine from Uruguay, J. Agric. Food Chem., 49, 2001, 192-202. 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. ; Kuz'menko, T.E., The use of a nonlinear equation for calculation of the retention indices of polar substances in gas chromatography with linear temperature programming, Russ. If the difference is between 0.4 and 1.7, then the bond is described as polar. ; Shahidi, F., Comparison of volatiles of cultured and wild sea bream (Sparus aurata) during storage in ice by dynamic headspace analysis/gas chromatography-mass spectrometry, J. Agric. ; Jirovetz, L.; Buchbauer, G., SPME/GC/MS analysis of headspace aroma compounds of the Cameroonian fruit Tetrapleura tetraptera (Thonn.) ; Janzantti, N.S. ; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. Food Chem., 50, 2002, 5355-5359. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 220 C; Start time: 5 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lopez, R.; Ezpeleta, E.; Sanchez, I.; Cacho, J.; Ferreira, V., Analysis of the aroma intensities of volatile compounds released from mild acid hydrolysates of odourless precursors extracted from Tempranillo and Grenache grapes using gas chromatography-olfactometry, Food Chem., 88, 2004, 95-103. class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40C=> 1C/min => 57C => 15C/min =>230C (5min); CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: le Pape, M.-A. is c4h10o polar or nonpolar. "In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multipole moment. ; Rouseff R.L., Comparison of aroma volatiles in commercial Merlot and Cabernet Sauvignon wines using gas chromatography - Olfactometry and gas chromatography - Mass spectrometry, J. Agric. Theres no element with more negative or positive charge than another side. Methane - CH 4. (China), 24(10), 2007, 1404-1408. ass: Standard non-polar; Column type: Capillary; CAS no: 71363; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Fu, S.-P.; Wang, Y.-Q., Estimation and prediction of gas chromatographic retention indices of alcohols by molecular electronegativity-distance vector, J. Chongqing Univ., 27(6), 2004, 106-109. ass: Standard non-polar; Column type: Capillary; CAS no: 71363; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Kou, J.; Zhang, S.; Hu, Y.; Qiao, H.; Li, J., Stidy on the relationships between structures and gas chromatographic retention indices of alcohols, Comput. 1 / 35. ; Samusenko, A.L., Method for prediction of the ability of analyte for self-association in pure liquid, 2000. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 110 C; CAS no: 71363; Active phase: SE-30; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Golovnya, R.V. Food Chem., 53, 2005, 4524-4528. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 45 C; End T: 240 C; End time: 30 min; Start time: 10 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Nielsen, G.S. ; Sanderson, A.; Walradt, J.P., Volatile components of roasted filberts, J. Agric. ; Jurs, P.C. Chem. ; Mookherjee,B.D. Benzene - C 6 H 6. Berg. Molecular Formula CHN. Bioanal. ; Kuz'menko, T.e. ). Comparison of different fibers, J. Chromatogr. ; Careri, M.; Mangia, A.; Musci, M.; Gerboles, M.; Anklam, E., Analytical, nutritional, and clinical methods section. The reason carbon tetrachloride is non-polar is due to its molecular structure. Technol., 212, 2001, 648-657. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 240 C; End time: 10 min; Start time: 5 min; CAS no: 71363; Active phase: Stabilwax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Cros, S.; Lignot, B.; Bourseau, P.; Jaouen, P.; Prost, C., Desalination of mussel cooking juices by electrodialysis: effect on the aroma profile, J. 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. CSID:258, http://www.chemspider.com/Chemical-Structure.258.html (accessed 02:05, Mar 5, 2023), Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, Predicted data is generated using the US Environmental Protection Agencys EPISuite, Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the. & Perry], Flavour Fragr. Chim. Food Chem., 38(1), 1990, 226-233. ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 71363; Active phase: OV-101; Data type: Normal alkane RI; Authors: Egolf, L.M. Chem., 62, 1990, 2676-2684. ass: Standard polar; Column diameter: 0.2 mm; Column length: 80 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 70 C; End T: 170 C; CAS no: 71363; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Egolf, L.M. Environ. Edn. ; Mesa, J.; Munoz, Y.; Marti, M.P. Mass Spectrom., 10(6), 1983, 377-381. ass: Standard non-polar; Column diameter: 0.762 mm; Column length: 600 ft; Column type: Capillary; Heat rate: 1 K/min; Start T: 0 C; End T: 230 C; CAS no: 71363; Active phase: OV-1; Data type: Linear RI; Authors: Schreyen, L.; Dirinck, P.; van Wassenhove, F.; Schamp, N., Analysis of leek volatiles by headspace condensation, J. Agric. ; Santiuste, J.M., Isothermal retention indices on poly93-cyanopropylmethyl)siloxane stationary phases, J. Chromatogr. ; Habu, T.; Flath, R.A.; Mon, T.R. (Chinese), 23(7), 2006, 651-654. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 35 C; End T: 200 C; Start time: 5 min; CAS no: 71363; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Isidorov, V.; Purzynska, A.; Modzelewska, A.; Serowiecka, M., Distribution coefficients of aliphatic alcohols, carbonyl compounds and esters between air and Carboxen/polydimethylsiloxane fiber coating, Anal. ), 49(2), 2000, 317-320. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 66 C; CAS no: 71363; Active phase: SE-30; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Golovnya, R.V. ORL-RAT LD50 790 mg kg-1, ORL-MUS LD50 2680 mg kg-1, SKN-RBT LD50 3400 mg kg-1, IVN-RAT LD50 310 mg kg-1, IVN-MUS LD50 377 mg kg-1, DANGER: FLAMMABLE, CORROSIVE, burns skin and eyes, DANGER: FLAMMABLE, irritates skin, eyes, lungs, P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a, Eye: Irrigate immediately Skin: Water flush promptly Breathing: Respiratory support Swallow: Medical attention immediately, inhalation, skin absorption, ingestion, skin and/or eye contact, Irritation eyes, nose, throat; headache, dizziness, drowsiness; corneal inflammation, blurred vision, lacrimation (discharge of tears), photophobia (abnormal visual intolerance to light); dermatitis; Food Chem., 54, 2006, 2695-2704. ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 230 C; End time: 10 min; Start time: 0.1 min; CAS no: 71363; Active phase: DB-Wax; Data type: Normal alkane RI; Authors: Binder, R.G. ; 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. ), 49(2), 2000, 317-320. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 58 C; CAS no: 71363; Active phase: SE-30; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Golovnya, R.V. ; Shaw, P.E. Anal. J., 22, 2007, 53-60. class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 45C(5min) =>10C/min =>80C =>2C/min =>240C; CAS no: 71363; Active phase: CP-Wax 52CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Condurso, C.; Verzera, A.; Romeo, V.; Ziino, M.; Trozzi, A.; Ragusa, S., The leaf volatile constituents of Isatis tinctoria by solid-phase microextraction and gas chromatography/mass spectrometry, Planta Medica, 72, 2006, 924-928. class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 60C(8min)=>8C/min=>170C=>13C/min=>240C(20min); CAS no: 71363; Active phase: Supelcowax-10; Phase thickness: 0.3 um; Data type: Linear RI; Authors: da Porto, C.; Pizzale, L.; Bravin, M.; Conte, L.S., Analyses of orange spirit flavour by direct-injection gas chromatography-mass spectrometry and headspace solid-phase microextraction/GC-MC, Flavour Fragr. ; Matthews, M.A. A completely polar bond is more correctly called an ionic bond, and occurs when the difference between electronegativities is large enough that one atom actually takes an electron from the other. Khim., 46, 1991, 1421-1429. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 71363; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R., Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas, Eur Commission EUR, , 1994, 549-568. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 240 C; Start time: 5 min; CAS no: 71363; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shiota, H., New esteric components in the volatiles of banana fruit (Musa sapientum L.), J. Agric. ; Larsen, T.O., Prediction of Penicillium expansum Spoilage and Patulin Concentration in Apples Used for Apple Juice Production by Electronic Nose Analysis, J. Agric. (2.) ; Golovnya, R.V. Definition. XXVII. 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. Food Chem., 50, 2002, 5412-5416. class: Standard polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Description: 70C (1min) =>3C/min => 142C (2min) => 25C/min =>230C (5min); CAS no: 71363; Active phase: FFAP; Carrier gas: N2; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Lopez, M.L. Food Chem., 48, 2000, 1803-1809. 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., Volatile components in fermented soybean (Glycine max) curds, J. Agric. Chromatogr., 410, 1987, 13-29. ass: Standard non-polar; Column diameter: 0.5 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 170 C; Start time: 3 min; CAS no: 71363; Active phase: SE-30; Carrier gas: He; Data type: Kovats RI; Authors: Greenberg, M.J., Characterization of meat and bone meal flavor volatiles, J. Agric. Transl. 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. Food Chem., 48, 2000, 6200-6204. ass: Standard polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 60 C; End T: 190 C; End time: 21 min; Start time: 4 min; CAS no: 71363; Active phase: CP-Wax 52CB; Carrier gas: H2; Phase thickness: 0.22 um; Data type: Normal alkane RI; Authors: Hwan, C.-H.; Chou, C.-C., Volatile components of the Chinese fermented soya bean curd as affected by the addition of ethanol in ageing solution, J. Sci. Food Chem., 50, 2002, 806-812. ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 45 C; End T: 180 C; End time: 30 min; Start time: 5 min; CAS no: 71363; Active phase: SP-1000; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Moyano, L.; Zea, L.; Moreno, J.; Medina, M., Analytical study of aromatic series in sherry wines subjected to biological aging, J. Agric. Sci., 25, 2002, 147-154. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 30 C; End T: 170 C; End time: 30 min; Start time: 4 min; CAS no: 71363; Active phase: DB-Wax; Data type: Normal alkane RI; Authors: Buttery, R.G. (Nat. Engineering (Chinese), 24(2), 2007, 161-168. ass: Standard non-polar; Column type: Capillary; CAS no: 71363; Active phase: Polydimethyl siloxane; Data type: Normal alkane RI; Authors: Junkes, B.S. ; Goodner, K.L., Volatile components in aqueous essence and fresh fruit of Cucumis melo cv. Lewis structure isnt suitable if: There are molecules with a polar bond, but the molecular geometry is symmetrical. Food Chem., 42, 1994, 975-976. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 200 C; Start time: 10 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Data type: Linear RI; Authors: Umano, K.; Hagi, Y.; Nakahara, K.; Shoji, A.; Shibamoto, T., Volatile constituents of green and ripened pineapple (Aanas comosus [L.] Merr. 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. Sci., 39, 2007, 563-572. class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 45C(5min)=>10C/min =>80C=>2C/min=>240C; CAS no: 71363; Active phase: CP-Wax 52CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Verzera, A.; Ziino, M.; Condurso, C.; Romeo, V.; Zappala, M., Solid-phase microextraction and gas chromatography-mass spectrometry for rapid characterisation of semi-hard cheeses, Anal. Answer link ; Flath, R.A.; Mon, T.R., Volatile components of bittermelon, J. Agric. ; Yang, Z.C. ; Chaintreau, A., Determination and origin of the aroma impact compounds of yogurt flavor, J. Agric. XXVI. 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. Is BF3 Polar or Nonpolar? Technol., 37, 2004, 481-488. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2.5 K/min; Start T: 50 C; End T: 200 C; CAS no: 71363; Active phase: DB-5; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Xu, X.; van Stee, L.L.P. Soc. Technol. Bull. ; Ryu, G.H. Transl. ), 50(6), 2001, 1027-1031, In original 983-987. ass: Standard non-polar; Column diameter: 0.53 mm; Column length: 15 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 40 C; End T: 250 C; Start time: 4 min; CAS no: 71363; Active phase: DB-1; Phase thickness: 1 um; Data type: Linear RI; Authors: Peng, C.T., A method for tentative identificatoin of unknown gas chromatographic peaks by retention index, J. Radioanal. A, 1160, 2007, 276-288. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 71363; Active phase: DB-1; Data type: Normal alkane RI; Authors: Binder, R.G. J. Environ. Yes, it is Dipole-dipole and london. ; Kuz'menko, T.e. ; Heintz, A., Determination of Ambient Temperature Vapor Pressures and Vaporization Enthalpies of Branched Ethers, J. Chem. ; Misharina, T.A., Characterization of the selectivity of stationary phases from the partial molar free energies of solution of standards, Chromatographia, 10(11), 1977, 658-660. umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 60 C; CAS no: 71363; Active phase: Squalane; Data type: Kovats RI; Authors: Ryba, M., Unlosliche Restfilme er stationaren Flussigkeit in gas-chromatographischen Glaskapillaren, Chromatographia, 9(3), 1976, 105-112. umn class: Semi-standard non-polar; Column length: 2.1 m; Column type: Packed; Start T: 130 C; CAS no: 71363; Active phase: Apiezon M; Carrier gas: N2; Substrate: Chromosorb W; Data type: Kovats RI; Authors: Golovnya, R.V. ; Flanagan, R.J., Detection and Identification of Volatile Organic Compounds in Blood by Headspace Gas Chromatography as an Aid to the Diagnosis of Solvent Abuse, J. Chim. ; Maia, G.A. Polar molecules dissolve more easily in. ; Palmer, J.K.; Tao, P., Flavor evaluation and characterization of yogurt as affected by ultra-high temperature and vat processes, J. Chem., 69, 1997, 364-372. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: -50 C; End T: 180 C; CAS no: 71363; Active phase: DB-1; Phase thickness: 1 um; Data type: Linear RI; Authors: Helmig, D.; Pollock, W.; Greenberg, J.; Zimmerman, P., Gas chromatography mass spectrometry analysis of volatile organic trace gases at Mauna Loa Observatory, Hawaii, J. Geophys.