), 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. Polar molecules must contain polar bonds due to a difference in electronegativity between the bonded atoms. Ethylene - C 2 H 4. Which is more acidic o cresol and p-cresol? : TWA 100 ppm (300 mg/m 3 ). ; Anvaer, B.I. Polar. Food Chem., 43, 1995, 773-778. ass: Standard non-polar; Column type: Capillary; CAS no: 71363; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Zenkevich, I.G. BF3 is a non-polar compound. Food Chem., 37(2), 1989, 418-420. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 71363; Active phase: HP-5; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Thierry, A.; Maillard, M.-B. Polar and non-polar bonds are covalent bonds. ), J. Agric. (Engl. ; Lelieveld, J., Comprehensive two-dimensional gas chromatography (GC*GC) measurements of volatile organic compounds in the atmosphere, Atmos. Chem., 62, 1990, 2676-2684. ass: Standard non-polar; Column diameter: 0.31 mm; Column length: 25 m; Column type: Capillary; CAS no: 71363; Active phase: OV-101; Carrier gas: He; Data type: Normal alkane RI; Authors: Morales, A.L. Food Res. It has a permanent dipole moment, which arises from differences in electronegativities between atoms. J. Environ. Food Chem., 20(5), 1972, 1021-1028. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 35 C; End T: 200 C; End time: 10 min; Start time: 10 min; CAS no: 71363; Active phase: Petrocol DH; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Censullo, A.C.; Jones, D.R. Food Sci. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 130 C; CAS no: 71363; Active phase: SE-30; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Golovnya, R.V. Separation of Unsaturated Alcohols and Their Acetyl and Haloacetyl Derivatives on Capillary Columns Coated with SE-30 and OV-351, J. fruit, J. Agric. 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. Coat. Food Eng., 69, 2005, 425-436. 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.; Vandanjon, L.; Jaouen, P.; Bourseau, P., Processing of industrial mussel cooking juices by reverse osmosis: pollution abatement and aromas recovery, 2003. ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 230 C; End time: 10 min; Start time: 2 min; CAS no: 71363; Active phase: Stabilwax; Carrier gas: N2; Phase thickness: 1 um; Data type: Linear RI; Authors: Fang, Y.; Qian, M., Aroma compounds in Oregon Pinot Noir wine determined by aroma extract dilution analysis (AEDA), Flavour Fragr. Akad. Environ. While the OH part is polar, we have non-polar C4H9 attached to it. ; Oraguzie, N.C., Heriability and genetic and phenotypic correlations of apple (Malus x domestica) fruit volatiles in a genetically diverse breeding population, J. Agric. C4H10 is a nonpolar molecule because it does not have any pole of positive charge and negative charge on it. A nonpolar molecule has no separation of electric charges or difference in electronegativity. ; Yamaguchi, M., Gas chromatographic retention as identification criteria, Anal. class: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Description: 33 0C (1 min) ^ 2 0C/min -> 130 0C ^ 10 0C/min -> 220 0C; CAS no: 71363; Active phase: CP-Wax 52 CB; Carrier gas: Helium; Phase thickness: 0.29 um; Data type: Normal alkane RI; Authors: Kaack, K.; Christensen, L.P., Effect of packing materials and storage time on volatile compounds in tea processes from flowers of black elder (Sambucus nigra L.), Eur. Bull. Retention increments of C1-C18 primary alkanols and their 2-chloropropanoyl and 3-chloropropanoyl derivatives on SE-30 and OV-351 capillary columns, J. Chem. ; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J. The hyperconjugation effect lowers the acidity of the compound. Diethyl ether is at the lower end of the polarity scale and so is generally considered a 'non-polar' solvent . Is BF3 Polar or Nonpolar? Food Chem., 53, 2005, 7931-7938. ass: Standard polar; Column type: Capillary; CAS no: 71363; Active phase: CP-Wax 52CB; Carrier gas: Hydrogen; Data type: Normal alkane RI; Authors: Jales, K.A. (Engl. 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. ; Noble, A.C., Characterization of odor-active compounds in Californian Chardonnay wines using GC-olfactometry and GC-mass spectrometry, J. Agric. ; Marbot, R.; Vazquez, C., Characterization of volatile in Cosa Rican Guava [Psidium friedrichsthalianum (Berg) Niedenzu] fruit, J. Agric. PSR Zinat. This allows n-pentane to be liquid at room temperature. To determine if C4H10 is polar we must consider the molecular geometry. ; Neto, M.A.S. hyb) and "Thornless Evergreen" (R.laciniatus L.) Blackberries, J. 5. Chem. Stable. There are four isomeric alcohols of formula C4H10O . In a C-H bond . For many students, understanding bond polarity can be a hard part of their high school chemistry subject. ; Jurs, P.C. Nucl. Bull. Food Chem., 49, 2001, 5433-5436. class: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Description: 45 0C (15 min) ^ 3 0C/min -> 75 0C ^ 5 0C/min -> 180 0C (10 min); CAS no: 71363; Active phase: Supelcowax 10; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Soria, A.C.; Martinez-Castro, I.; Sanz, J., Some aspects of dynamic headspace analysis of volatile components in honey, Foog Res. Chim. 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. Soc. Chem. 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. Technol., , 2007. 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: 220 C; End time: 10 min; Start time: 1 min; CAS no: 71363; Active phase: DB-Wax Etr; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Perestrelo, R.; Fernandes, A.; Albuquerque, F.F. J., 18, 2003, 492-496. 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. The electronegativity difference between the carbon molecules and oxygen in a molecule of carbon monoxide is enough that the molecule is polar. 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. 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; Transl. These compounds have polar heads (-OH) that can form hydrogen bonds with water and a nonpolar tail. 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. Application to the Aroma Analysis of Melons, Peaches, Grapes, Strawberries, and Tomatoes, J. Agric. ; Anvaer, B.I. Polar Molecule A molecule in which the bond dipoles present do not cancel each other out and thus results in a molecular dipole. 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. 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. ; Zawirska-Wojtasiak, R.; Wasowicz, E., Application of headspace - solid phase microextraction and multivariate analysis for plant oils differentiation, Food Chem., 83, 2003, 515-522. ass: Semi-standard non-polar; Column length: 2 m; Column type: Packed; Heat rate: 10 K/min; Start T: 25 C; CAS no: 71363; Active phase: Apiezon L; Substrate: Chromosorb G-AW-DMCS; Data type: Normal alkane RI; Authors: Dahlmann, G.; Koser, H.J.K. 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., 53, 2005, 8624-8630. class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 40C (6min) => 2.5C/min => 150C => 90C/min => 250C; CAS no: 71363; Active phase: HP-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Jordan, M.J.; Margaria, C.A. Theres no element with more negative or positive charge than another side. Chromatogr., 319, 1985, 131-142. umn class: Standard polar; Column type: Capillary; CAS no: 71363; Active phase: BP-20; Data type: Kovats RI; Authors: SGE, Guide to GC column selection, 2005. umn class: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 71363; Active phase: OV-351; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Korhonen, I.O.O., Gas chromatography of homologous esters. Answer link. Food Chem., 57, 2009, 7953-7961. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 80 C; End T: 240 C; CAS no: 71363; Active phase: TC-Wax; Data type: Normal alkane RI; Authors: Miyazawa, M.; Yamafuji, C.; Kurose, K.; Ishikawa, Y., Volatile components of the rhizomes of Cirsium japonicum DC, Flavour Fragr. Retention indices of amines in some polar and unpolar stationary phases, Latv. Food Chem., 38, 1990, 2176-2180. ass: Standard polar; Column type: Capillary; CAS no: 71363; Active phase: Carbowax 20M; Data type: Kovats RI; Authors: Brander, C.F. ; Santiuste, J.M., Isothermal retention indices on poly93-cyanopropylmethyl)siloxane stationary phases, J. Chromatogr. To determine if a molecule is polar or nonpolar, it is frequently useful to look at Lewis structures. Chromatogr., 586, 1991, 113-129. 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; Data type: Linear RI; Authors: Suarez, M.; Duque, C., Volatile constituents of lulo (Salanum vestissimum D.) fruit, J. Agric. ; 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. Chem. ; Rankin, S.A., Solvent type affects the number, distribution, and relative quantities of volatile compounds found in sweet whey powder, J. Here are the steps to help you determine if a molecule is polar or nonpolar. ; Kuz'menko, T.E. Answer = CH3CN ( ACETONITRILE ) is Polar. The carbon is tetrahedral electron geometry and tetrahedral molecular geometry. Click the card to flip . ; Hunt, M.B. Food Chem., 57(3), 2009, 915-923. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 250 C; CAS no: 71363; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Misharina, T.A. ; Gillen, K.J. Gerichtl. Nucl. ; Kuz'menko, T.E. Benzophenone [essentially nonpolar (slightly polar due to the C=O bond)] was soluble in methyl alcohol, but only partially . ; Duque, C., Aroma constituents of the fruit of the moutain papaya (Carica pubescens) from Colombia, J. Agric. ; Yung, I.K.S. Retention indices of amines in some polar and unpolar stationary phases, Latv. Now she loves writing about her knowledge. ; Marbot, R.; Rosado, A.; Vazquez, C., Volatile constituents of Malay rose apple [Syzygium malaccense (L.) Merr. . Covalent bonds can be non-polar or polar and react to electrostatic charges. ; Rezende, C.M., Odour-active compounds of banana passa identified by aroma extract dilution analysis, Flavour Fragr. Food Chem., 46, 1998, 4011-4016. class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 30C(5min) =>1C/min =>200C=>20C/min =>210C; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Garcia, D.D.L.C. ; Maltby, D., Prediction of retention indexes. Methane - CH 4. Transl. Food Chem., 52, 2004, 3069-3076. 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: Lara, I.; Graell, J.; Lopez, M.L. Chem., 65, 1993, 3119-3126. ass: Standard polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 80 C; End T: 200 C; CAS no: 71363; Active phase: Carbowax 20M; Carrier gas: N2; Data type: Normal alkane RI; Authors: Mihara, S.; Tateba, H.; Nishimura, O.; Machii, Y.; Kishino, K., The volatile components of Chinese quince (Pseudocydonia sinensis Schneid), in Flavors and Fragrances: A World Perspective. Food Chem., 48, 2000, 4290-4293. 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: Normal alkane RI; Authors: Ziegleder, G., Volatile and odorous compounds in unprinted paperboard, Packag. Greater the hydrocarbon portion, more non-polar it becomes. Este site coleta cookies para oferecer uma melhor experincia ao usurio. Technol., , 2008, 1-12. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; CAS no: 71363; Active phase: DB-Wax; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Zhao, Y.; Xu, Y.; Li, J.; Fan, W.; Jiang, W., Profile of volatile compounds in 11 brandies by headspace solid-phase microextraction followed by gas chromatography-mass spectrometry, J. - Chrom. Retention increments of C1-C18 primary alkanols and their 2-chloropropanoyl and 3-chloropropanoyl derivatives on SE-30 and OV-351 capillary columns, J. Food Chem., 33(2), 1985, 249-254. 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; Carrier gas: N2; Data type: Normal alkane RI; Authors: Schreyen, L.; Dirinck, P.; Sandra, P.; Schamp, N., Flavor analysis of quince, J. Agric. ; Janzantti, N.S. Food Chem., 50, 2002, 6023-6026. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 60 C; End T: 280 C; End time: 60 min; Start time: 10 min; CAS no: 71363; Active phase: CP Sil 5 CB; Carrier gas: He; Phase thickness: 0.4 um; Data type: Linear RI; Authors: Pino, J.A. Food Chem., 55, 2007, 4289-4298. ass: Semi-standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Heat rate: 16 K/min; Start T: 80 C; End T: 250 C; CAS no: 71363; Active phase: HP-5; Carrier gas: H2; Data type: Normal alkane RI; Authors: Spadone, J.-C.; Takeoka, G.; Liardon, R., Analytical Investigation of Rio Off-Flavor in Green Coffee, J. Agric. Basic structure of water molecules:-In our last visit, we learned a lot about water and how water molecules behave. ; Goodner, K.L., Volatile components in aqueous essence and fresh fruit of Cucumis melo cv. Vestis Kim. Khim., 7, 1974, 1519-1521, In original 1599-1601. umn class: Semi-standard non-polar; Column diameter: 0.01 in; Column length: 100 m; Column type: Capillary; Start T: 120 C; CAS no: 71363; Active phase: Apiezon L; Carrier gas: N2; Data type: Kovats RI; Authors: Agrawal, B.B. Food Chem., 40(3), 1992, 471-474. 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; End time: 10 min; Start time: 10 min; CAS no: 71363; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Hayata, Y.; Sakamoto, T.; Kozuka, H.; Sakamoto, K.; Osajima, Y., Analysis of aromatic volatile compounds in 'Miyabi' melon (Cucumis melo L.) using the Porapak Q column, J. Jpn. J. Enol. Food Chem., 55, 2007, 1418-1426. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 280 C; Start time: 2 min; CAS no: 71363; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Elmore, J.S. Top Gabriel Nitro 1E Posts: 101 Joined: Thu Oct 01, 2020 4:32 am Sci., 9, 1971, 241-244. umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 100 C; CAS no: 71363; Active phase: SE-30; Substrate: Gaschrom Q; Data type: Kovats RI; Authors: Winskowski, J., Gaschromatographische Identifizierung von Stoffen anhand von Indexziffem und unterschiedlichen Detektoren, Chromatographia, 17(3), 1983, 160-165. ass: Standard non-polar; Column diameter: 0.5 mm; Column length: 50 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 70 C; End T: 170 C; End time: 5 min; Start time: 2 min; CAS no: 71363; Active phase: SE-30; Carrier gas: He; Data type: Kovats RI; Authors: Greenberg, M.J., Characterization of poultry byproduct meal flavor volatiles, J. Agric. Sci., 11, 1998, 231-239. ass: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 60 C; End T: 220 C; CAS no: 71363; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Riganakos, K.A. Water is a polar molecule because the electronegativity of oxygen is higher than that of hydrogen, meaning that the electron density is shifted towards the oxygen atom in the molecule. Med., 47, 1989, 525-532. umn class: Semi-standard non-polar; Column length: 1.5 m; Column type: Packed; Start T: 150 C; CAS no: 71363; Active phase: Synachrom; Carrier gas: Helium; Substrate: Synachrom (60-80 mesh); Data type: Normal alkane RI; Authors: Dufka, O.; Malinsky, J.; Vladyka, J., Sorpcni materialy pro plynovou chromatographii - III, Chemicky promysl., 21/46(9), 1971, 459-463. umn class: Semi-standard non-polar; Column length: 3 m; Column type: Packed; Start T: 125 C; CAS no: 71363; Active phase: Squalane; Carrier gas: H2; Substrate: Chromosorb W (80-100 mesh); Data type: Normal alkane RI; Authors: Cremer, E.; Nonn, H., Kennzahlen zur Identifizierung chromatographisch getrennter Komponenten, Monatsh.
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