A, 973, 2002, 135-142. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 30 C; CAS no: 78933; Active phase: HP-1; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M.; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography revisited, J. Chromatogr. Res. Res., 99(10), 1995, 1153-1166. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 160 C; Start time: 5 min; CAS no: 78933; Active phase: DB-5; Carrier gas: He; Data type: Normal alkane RI; Authors: Macku, C.; Shibamoto, T., Headspace volatile compounds formed from heated corn oil and corn oil with glycine, J. Agric. ; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F., Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies, Internet Electronic Journal of Molecular Design, 2(1), 2003, 33-49. class: Semi-standard non-polar; Column diameter: 0.76 mm; Column length: 152 m; Column type: Capillary; Description: 25C(1min) =>5C/min => 50C (4min) => 1.25C/min => 180C; CAS no: 78933; Active phase: SF96+Igepal; Data type: Normal alkane RI; Authors: Flath, R.A.; Altieri, M.A. Chemical structure: This structure is also available as a 2d Mol . Protect from moisture. Chem. Chromatogr., 235, 1982, 119-127. umn class: Semi-standard non-polar; Column length: 3 m; Column type: Packed; Start T: 80 C; CAS no: 78933; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb W AW (60-80 mesh); Data type: Kovats RI; Authors: Castello, G.; D'Amato, G., Use of Linear and Branched-Chain Paraffinic Liquid Phases as Non-Polar Reference Materials in Gas Chromatography, J. ; Miller, J.W., Characterization of ham flavor using an atomic emission detector, J. Agric. Food Microbiol., 66, 2001, 175-184. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 240 C; CAS no: 78933; Active phase: HP-5; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Garcia, C.; Martin, A.; Timon, M.L. Truong-Son N. Dec 18, 2015. ; Teranishi, R., Identification of sheep liver volatiles, J. Agric. Technol., 75(936), 2003, 47-53. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 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: 78933; Active phase: CP Sil 5 CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Pino, J.; Almora, K.; Marbot, R., Volatile components of papaya (Carica papaya L., maradol variety) fruit, Flavour Fragr. 3), 2003. 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: 78933; 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. Total number of isomers considering both structural and stereoisomers, of cyclic ether with the molecular formula C4H8O is ______. Sci., 42(6), 2004, 299-305. class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 50C(2min) =>7C/min =>90C=>3.5C/min =>170C 17.5C/min =>230C; CAS no: 78933; Active phase: BPX-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Seitz, L.M. Food Chem., 53, 2005, 9781-9789. ass: Standard polar; Column diameter: 0.53 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 240 C; End time: 20 min; Start time: 2 min; CAS no: 78933; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Rochat, S.; Chaintreau, A., Carbonyl Odorants Contributing to the In-Oven Roast Beef Top Note, J. Agric. Food Chem., 49, 2001, 5437-5444. 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: 190 C; Start time: 6 min; CAS no: 78933; Active phase: HP-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Sanz, C.; Ansorena, D.; Bello, J.; Cid, C., Optimizing headspace temperature and time sampling for identification of volatile compounds in ground roasted Arabica coffee, J. Agric. Chromatogr., 175, 1979, 27-35. umn class: Semi-standard non-polar; Column length: 1 m; Column type: Packed; Start T: 100 C; CAS no: 78933; Active phase: Squalane; Data type: Kovats RI; Authors: Grobler, A.; Balizs, G., Investigations on mixed gas chromatographic stationary phases. Chromatogr. Food Chem., 43, 1995, 2212-2218. ass: Standard polar; Column type: Capillary; CAS no: 78933; Active phase: Carbowax 20M; Substrate: Supelcoport; Data type: Normal alkane RI; Authors: Peng, C.T. Gerichtl. The most likely structure for the compound is: ClCH2CH2CH2Cl Earth, 24(6), 1999, 729-732. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 200 C; End time: 5 min; CAS no: 78933; Active phase: SPB-1; Phase thickness: 4 um; Data type: Normal alkane RI; Authors: de Lacy Costello, B.P.J. ), 46(2), 1997, 314-318, In original 328-332. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 110 C; CAS no: 78933; Active phase: SE-30; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Golovnya, R.V. umn class: Semi-standard non-polar; Column type: Packed; Start T: 70 C; CAS no: 78933; Active phase: Apiezon L; Substrate: Celite (40:60 Gewichtsverhaltnis); Data type: Kovats RI; Authors: von Kovats, E., 206. Strategy and Solution First draw the functional group of an aldehyde and then add the remaining carbons. Draw the structural formula for that ketone for C4H8O 19. ; Wills, M.T., Speciation of the volatile organic compounds (VOCs) in solventborne aerosol coatings by solid phase microextraction-gas chromatography, J. ; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. Compounds such as aldehydes, ketones, alcohols containing alkene group and cyclic alcohol compounds can be drawn for this molecular formula, C 4 H 8 O. ; Santiuste, J.M., Isothermal retention indices on poly93-cyanopropylmethyl)siloxane stationary phases, J. Chromatogr. ; Golovnya, R.V., Variation in retention indices and equivalent chain lengths of homologous series of n-alkyl acetates, n-alkyl methyl ketones, and methyl esters of aliphatic carboxylic acids as a function of homolog number and analysis temperature, Zh. Chromatogr., 454, 1988, 129-143. umn class: Semi-standard non-polar; Column length: 3 m; Column type: Packed; Start T: 80 C; CAS no: 78933; Active phase: Triacontane; Carrier gas: He; Substrate: Chromosorb W AW (60-80 mesh); Data type: Kovats RI; Authors: Castello, G.; D'Amato, G., Use of Linear and Branched-Chain Paraffinic Liquid Phases as Non-Polar Reference Materials in Gas Chromatography, J. Cyclic isomers of C 4 H 8 Appl. Transl. 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: 78933; Active phase: Petrocol DH; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Censullo, A.C.; Jones, D.R. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen, Helv. Sci., 70(1), 2005, c13-c20. Chim. ; Byun, M.W., Color, flavor, and sensory characteristics of gamma-irradiated salted and fermented anchovy sauce, Radiation Phys. uk airline industry market share 2020; mary oliver childhood; morrison data services meter reading J., 11, 1996, 239-243. ass: Semi-standard non-polar; Column type: Capillary; Heat rate: 6 K/min; Start T: 35 C; End T: 200 C; Start time: 2 min; CAS no: 78933; Active phase: HP-5; Data type: Normal alkane RI; Authors: Larsen, T.O. ; Flath, R.A.; Stern, D.J. I found 28 optical isomers, but 19 constitutional isomers (seeing as how each R / S optical isomer, or each cis / trans geometric isomer, have the same connectivity). Acta, 7, 1959, 2709-2736. umn class: Semi-standard non-polar; Column type: Packed; Start T: 130 C; CAS no: 78933; Active phase: Apiezon L; Substrate: Celite (40:60 Gewichtsverhaltnis); Data type: Kovats RI; Authors: von Kovats, E., 206. Res. Food Chem., 54, 2006, 7242-7250. 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: 78933; 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. sz., Pair-wise interactions by gas chromatography. ; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography. Food Chem., 38(3), 1990, 802-804. 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: 200 C; Start time: 5 min; CAS no: 78933; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Tatsuka, K.; Suekane, S.; Sakai, Y.; Sumitani, H., Volatile constituents of kiwi fruit flowers: simultaneous distillation and extraction versus headspace sampling, J. Agric. . A, 795, 1998, 319-347. ass: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 35 C; End T: 250 C; Start time: 2 min; CAS no: 78933; Active phase: SE-54; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Bellesia, F.; Pinetti, A.; Bianchi, A.; Tirillini, B., Volatile compounds of the white truffle (Tuber magnaturn Pico) from middle Italy, Flavour Fragr. Evluation of aroma of pasteurized and UHT processed milk by aroma extract dilution analysis, Nippon Shokuhin Kagaku Kogaku Kaishi, 46(9), 1999, 587-597. 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: 78933; 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. ; Wang, Y., Seasonal Variations of Volatile Composition and Odor Activity Value of "Marion" (Rubus spp. Understanding REACH ChemSpider ID 256. Chromatogr., 845, 1999, 21-31. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 70 C; CAS no: 78933; Active phase: HP-1; Carrier gas: N2; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Tetrose 4 Threose, Erythrose C4H8O Pentose 5 Ribose, Xylose, Xylulose C5H10O This -1,4 bonds cannot be broken by human enzymes; hence it is a non-digestible . Highly flammable. Food Chem., 37(3), 1989, 659-662. umn class: Semi-standard non-polar; Column type: Packed; Start T: 80 C; CAS no: 78933; Active phase: Squalane; Carrier gas: H2; Data type: Kovats RI; Authors: Fernandez-Sanchez, E.; Garcia-Dominguez, J.A. ; Baumeister, B.M.B., The effect of diet on the flavour of cooked beef and the odour compounds in beef fat, N.Z. Toxicol., 65(1), 2000, 34-39. ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 78933; Active phase: HP-Innowax; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Viegas, M.C. Bull. Draw the structure of a compound of molecular formula C_4H_8O that has a signal in its^13 C NMR spectrum at greaterthanorequalto 160 ppm. Z. Wilhelm-Pieck-Univ. ; Golovnya, R.V., Advantage of the universal equation over the linear equation for the calculation of retention parameters of homologous series in capillary chromatography, J. Hi. ; Wood, J.D., Dietary manipulation of fatty acid composition in lamb meat and its effect on the volatile aroma compounds of grilled lamb, Meat Sci., 69, 2005, 233-242. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 200 C; End time: 2 min; Start time: 5 min; CAS no: 78933; Active phase: SPB-5; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Verdier-Metz., I.; Coulon, J.-B. A, 1017, 2003, 207-214. ass: Standard polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 230 C; Start time: 7 min; CAS no: 78933; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: J&W Scientific, Solvent Retention Data, 2003. class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 45C(12.5min) => 4C/min =>114C(6min) =>7C/min=>143C =>15C/min =>240C (4min); CAS no: 78933; Active phase: HP-Innowax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Morales, P.; Fernandez-Garcia, E.; Gaya, P.; Nunez, M., Formation of volatile compounds by wild Lactococcus lactis strains isolated from raw ewes' milk cheese, Int. Res., 42, 1999, 297-304. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 270 C; End time: 5 min; Start time: 4 min; CAS no: 78933; Active phase: MDN-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: van Loon, W.A.M. J. ; Tello, A.M.; Santiuste, J.M., Isothermal retention indices on poly (3,3,3-trifluoropropylmethylsiloxane) stationary phases, J. Chromatogr. ), 59(4), 2004, 358-365, In original 403-411. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 353 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 343 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 363 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 333 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 373 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 383 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 323 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 393 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 313 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 403 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 413 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 423 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciaznska-Halarewicz, K.; Kowalska, T., A study of the dependence of the Kovats retention index on the temperature of analysis on stationary phases of different polarity, Acta Chromatogr., 13, 2003, 69-80. umn class: Standard non-polar; Column type: Packed; Start T: 403 K; CAS no: 78933; Active phase: OV-1; Carrier gas: He or N2; Substrate: Gas-Chrom Q; Data type: Kovats RI; Authors: Gurevich, K.B. A, 1011, 2003, 1-9. ass: Semi-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: 280 C; End time: 10 min; Start time: 0.5 min; CAS no: 78933; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Guillen, M.D. Khim., 44(1), 1989, 68-73, In original 84-89. umn class: Semi-standard non-polar; Column diameter: 0.28 mm; Column length: 15 m; Column type: Capillary; Start T: 150 C; CAS no: 78933; Active phase: SE-54; Carrier gas: Ar; Phase thickness: 2.5 um; Data type: Kovats RI; Authors: Grigor'eva, D.N. ; Yook, H.S. . ass: Standard polar; Column diameter: 0.53 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 180 C; Start time: 10 min; CAS no: 78933; Active phase: DB-Wax; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Rizzolo, A.; Cambiaghi, P.; Grassi, M.; Zerbini, P.E., Influence of 1-Methylcyclopropene and Storage Atmosphere on Changes in Volatile Compounds and Fruit Quality of Conference Pears, J. Agric. Transl. Statistical and thermodynamic verification of a 'kinetic' model, Acta Chromatogr., 12, 2002, 65-79. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 323 K; CAS no: 78933; Active phase: DB-1; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciazynska-Halarewicz, K.; Borucka, H.E. Draw condensed structural formulas for all compounds with the molecular formula C4H8O that contain Q.) Food Chem., 32, 1984, 92-94. umn class: Standard non-polar; Column type: Capillary; Start T: 120 C; CAS no: 78933; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Lebron-Aguilar, R.; Quintanilla-Lopez, J.E. Chim. (Engl. But structure V is less stable due to presence of positive charge on electronegative oxygen (O) atom. Sur la composition de l'arome de cafe, Helv. formula, retention time and ip structure of the components of the test materials were ascertained. Food Chem., 50, 2002, 7627-7633. 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: 230 C; Start time: 8 min; CAS no: 78933; Active phase: TC-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Ishikawa, M.; Ito, O.; Ishizaki, S.; Kurobayashi, Y.; Fujita, A., Solid-phase aroma concentrate extraction (SPACE ): a new headspace technique for more sensitive analysis of volatiles, Flavour Fragr. :109-99-9 MW:72.11 ECNO:203-726-8 Note : The figures shown above are not the specifications of the product. A, 973, 2002, 135-142. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 40 C; CAS no: 78933; Active phase: HP-1; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M.; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography revisited, J. Chromatogr. Unters. Chim. Var. ; Anvaer, B.I. ; Wills, M.T., Speciation of the volatile organic compounds (VOCs) in solventborne aerosol coatings by solid phase microextraction-gas chromatography, J. VI. Physical and chemical properties of cis and trans structures are different. Unters. ; Habu, T.; Flath, R.A.; Mon, T.R. ; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography. ; Zhuravskaya, N.K., Identification of volatile components of a model system with meat aroma, Zh. Polymer Symp., , 1976, 889-901. ass: Standard non-polar; Column type: Capillary; Heat rate: 2 K/min; Start T: 70 C; End T: 170 C; CAS no: 78933; Active phase: SE-30; Carrier gas: Helium; Data type: Normal alkane RI; Authors: Alves, S.; Jennings, W.G., Volatile composition of certain Amazonian fruits, Food Chem., 4(2), 1979, 149-159. ass: Standard non-polar; Column type: Capillary; CAS no: 78933; Active phase: OV-1; Data type: Normal alkane RI; Authors: Ramsey, J.D. Hyg., 94, 2003, 192-211. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 45 C; End T: 240 C; End time: 5 min; Start time: 13 min; CAS no: 78933; Active phase: SPB-1; Carrier gas: He; Phase thickness: 4 um; Data type: Linear RI; Authors: Larrayoz, P.; Addis, M.; Gauch, R.; Bosset, J.O., Comparison of dynamic headspace and simultaneous distillation extraction techniques used for the analysis of the volatile components in three European PDO ewes milk cheeses, Int. Same chemical formula C6 H12 O EPIMERS EPIMERS are sugars that differ in configuration at ONLY 1 POSITION. The structural formula gives the positions of the atoms and which atoms are bonded together, the molecular only gives you the figures.For example a compound could have the molecular formula. Phys., 3, 2003, 665-682. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 250 C; End time: 10 min; Start time: 8 min; CAS no: 78933; Active phase: CP Sil 8 CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Oruna-Concha, M.J.; Ames, J.M. Ecol., 14(2), 1988, 701-712. ass: Standard non-polar; Column type: Capillary; CAS no: 78933; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Chen, Y.; Feng, C., QSPR study on gas chromatography retention index of some organic pollutants, Comput. Dependence of the retention index on the composition of the stationary phase, J. Chromatogr. Chromatogr., 269, 1983, 153-160. umn class: Semi-standard non-polar; Column length: 3 m; Column type: Packed; Start T: 100 C; CAS no: 78933; Active phase: Apolane; Carrier gas: He; Substrate: Chromosorb G; Data type: Kovats RI; Authors: Castello, G.; D'Amato, G., Classification of the "Polarity" of porous polymer bead stationary phases by comparison with squalane and apolane standard liquid phases, J. ; Sinclair, L.A.; Wilkinson, R.G. J. Environ. Cyclobutanol | C4H8O - PubChem Cyclobutanol | C4H8O | CID 76218 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Solution Different types of isomers C 5 H 12 O can exhibit : Structural isomers are isomers in which the atoms are arranged in a different order but have the same chemical formulae. : 109-99-9 Formel: C4h8o EINECS: 203-726-8 Art: Synthese Werkstoff Zwischenprodukte Aussehen: Flssigkeit Qualitt: Industriell Food Chem., 33(2), 1985, 249-254. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 78933; 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. umn class: Semi-standard non-polar; Column length: 1.5 m; Column type: Packed; Start T: 150 C; CAS no: 78933; 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. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; CAS no: 78933; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kawai, T.; Ishida, Y.; Kakiuchi, H.; Ikeda, N.; Higashida, T.; Nakamura, S., Flavor components of dried squid, J. Agric. Food Chem., 22(1), 1974, 123-126. 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: 78933; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Kinlin, T.E. The two aldehyde of C4H8O isomers are butanal (commonly known as butyraldehyde) and 2-methylpropanal. ; Mon, T.R., Volatile constituents of Amaranthus retroflexus L., J. Agric. ; Fernandez, M.; Ordonez, J.A., Changes in selected biochemical and sensory parameters as affected by the superficial inoculation of Penicillium camemberti on dry fermented sausages, Int. Why does not tertiary alcohol undergo oxidation reaction? Environ., 37, 2003, 4645-4650. 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: 78933; Active phase: DB-5; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Xu, X.; van Stee, L.L.P. Khim., 44(1), 1989, 68-73, In original 84-89. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 12 K/min; Start T: 0 C; End T: 250 C; Start time: 12 min; CAS no: 78933; Active phase: SE-54; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Rembold, H.; Wallner, P.; Nitz, S.; Kollmannsberger, H.; Drawert, F., Volatile components of chickpea (Cicer arietinum L.) seed, J. Agric. Soc., 9(3), 1998, 261-271. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 270 C; End time: 14 min; Start time: 1 min; CAS no: 78933; Active phase: DB-5; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Baloga, D.W.; Reineccius, G.A. House, Moscow, 1978, 192. umn class: Semi-standard non-polar; Column type: Packed; Start T: 160 C; CAS no: 78933; Active phase: Apiezon L; Substrate: Celite 545; Data type: Kovats RI; Authors: Bogoslovsky, Yu.N. ; Boulanger, R.; Barel, M.; Guyot, B.; Guiraud, J.-P.; Schorr-Galindo, S., Impact of "ecological" post-harvest processing of coffee aroma: II Roasted coffee., J. Food Chem., 53, 2005, 9578-9585. ass: Standard polar; Column type: Capillary; CAS no: 78933; Active phase: Innowax; Data type: Normal alkane RI; Authors: Junkes, B.S. The carbon atoms in the chemical structure of but-2-en-1-ol are implied to be located at the corner(s) and hydrogen atoms attached to carbon atoms are not indicated - each carbon atom is considered to be associated with enough hydrogen atoms to provide the . google it for the structure (: Is triphenylmethanol a tertiary alcohol? ; Ruiz, J., Analysis of volatile compounds of Iberian dry-cured loins with different intramuscular fat contents using SPME-DED, Meat Sci., 79, 2008, 172-180. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 0 m; Column type: Capillary; Heat rate: 7 K/min; Start T: 40 C; End T: 250 C; End time: 5 min; Start time: 10 min; CAS no: 78933; Active phase: 5 % Phenyl methyl siloxane; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Ramirez, M.R. ; Kowalska, T. ; Flath, R.A. ; Mon, T.R. Volatile! C6 H12 O EPIMERS EPIMERS are sugars that differ in configuration at ONLY 1 POSITION Zhuravskaya, N.K., of... 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