It is an important precursor for preparing polyvinylbutyral. Structure-retention index relationship on polar columns, J. ; McGorrin, R.J., Gas chromatography-mass spectroscopy investigations on the flavor chemistry of oat groats, J. Agric. Appl. 2) 1-fluoro-3-nitrocyclopentane. Food Microbiol., 85, 2003, 111-125. 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: 280 C; Start time: 2 min; CAS no: 78933; Active phase: CP Sil 8 CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Elmore, J.S. J. Food Chem., 49, 2001, 1885-1894. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: -30 C; End T: 250 C; End time: 5 min; Start time: 1 min; CAS no: 78933; Active phase: HP-5; Phase thickness: 0.1 um; Data type: Linear RI; Authors: Siegmund, B.; Murkovic, M., Changes in chemical composition of pumpkin seeds during the roasting process for production of pumpkin seed oil (Part 2: volatile compounds), Food Chem., 84, 2004, 367-374. 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: 280 C; End time: 5 min; Start time: 2 min; CAS no: 78933; Active phase: CP-Sil 8CB-MS; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Bruna, J.M. I. Food Chem., 50, 2002, 3810-3817. 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: Maeztu, L.; Sanz, C.; Andueza, S.; de Pena, M.P. CC (C)C=O Computed by OEChem 2.3.0 (PubChem release 2021.05.07) PubChem 2.2 Molecular Formula C4H8O CAMEO Chemicals; PubChem C 4 H 8 O (CH 3) 2 CHCHO ILO International Chemical Safety Cards (ICSC) 2.3 Other Identifiers 2.3.1 CAS 78-84-2 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. ; Ahn, H.J. 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: 130 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. Transl. What is the total number of isomers, considering both structural and stereoisomers of cyclic ethers with the molecular formula C4H8O? Z. Wilhelm-Pieck-Univ. ; Vasil'ev, A.V. Methyl Ethyl Ketone | C4H8O | CID 6569 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities . 0 0 Similar questions The pair of structures represents: Medium View solution > 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. Med., 47, 1989, 525-532. class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 40C(10min)=> 5C/min => 200C =>20C/min =>250C (5min); CAS no: 78933; Active phase: DB-5; Phase thickness: 1.05 um; Data type: Normal alkane RI; Authors: Garcia-Estaban, M.; Ansorena, D.; Astiasaran, I.; Ruiz, J., Study of the effect of different fiber coatings and extraction conditions on dry cured ham volatile compounds extracted by solid-phase microextraction (SPME), Talanta, 64, 2004, 458-466. class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 40C(10min)=>5C/min=>200C=>20C/min=>250C(5min); CAS no: 78933; Active phase: HP-5; Phase thickness: 1.05 um; Data type: Normal alkane RI; Authors: Garcia-Estaban, M.; Ansorena, D.; Astiasaran, I.; Martin, D.; Ruiz, J., Comparison of simultaneous distillation extraction (SDE) and solid-phase microextraction (SPME) for the analysis of volatile compounds in dry-cured ham, J. Sci. A, 1008, 2003, 97-103. umn class: Semi-standard non-polar; Column length: 2.3 m; Column type: Packed; Start T: 150 C; CAS no: 78933; Active phase: Apiezon L; Carrier gas: N2; Substrate: DCMS-treated Chromosorb W; Data type: Kovats RI; Authors: Brown, I.; Chapman, I.L. This application requires Javascript. Acta, 48(195-196), 1965, 1809-1815. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 20 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. Manipal 2005: Number of isomers possible for C4H8O is: (A) 3 (B) 4 (C) 5 (D) 6. Bull. Chromatogr., 454, 1988, 129-143. 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: 10 min; CAS no: 78933; Active phase: DB-Wax; Carrier gas: He; Data type: Kovats RI; Authors: Umano, K.; Shibamoto, T., Analysis of headspace volatiles from overheated beef fat, J. Agric. In C 4 H 8, we can draw two geometrical isomers as cis and trans. Bioanal. ; Mottram, D.S., Comparison of the aroma characteristics of acid-hydrolyzed and enzyme-hydrolyzed vegetable proteins produced from soy, 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. Food Chem., 49, 2001, 3875-3880. ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 200 C; CAS no: 78933; Active phase: BP-1; Carrier gas: He; Phase thickness: 0.75 um; Data type: Normal alkane RI; Authors: Health Safety Executive, MDHS 96 Volatile organic compounds in air - Laboratory method using pumed solid sorbent tubes, solvent desorption and gas chromatography, in Methods for the Determination of Hazardous Substances (MDHS) guidance, Crown, Colegate, Norwich, 2000, 1-24. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 220 C; Start time: 10 min; CAS no: 78933; Active phase: Methyl Silicone; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Baraldi, R.; Rapparini, F.; Rossi, F.; Latella, A.; Ciccioli, P., Volatile organic compound emissions from flowers of the most occurring and economically important species of fruit trees, Phys. . Chromatogr., 387, 1987, 371-378. ass: Standard polar; Column type: Packed; Heat rate: 4.6 K/min; Start T: 75 C; End T: 228 C; CAS no: 78933; Active phase: Carbowax 20M; Substrate: Celite 545; Data type: Linear RI; Authors: van den Dool, H.; Kratz, P. Dec., A generalization of the retention index system including linear temperature programmed gas-liquid partition chromatography, J. : 109-99-9 Formel: C4h8o EINECS: 203-726-8 Art: Synthese Werkstoff Zwischenprodukte Aussehen: Flssigkeit Qualitt: Industriell ; Frisvad, J.C., Characterization of volatile metabolites from 47 Penicillium taxa, Mycol. ; Guy, R.C.E. ; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. ; Floris, V.; Fayoux, S., Characterisation of the volatile profiles of infant formulas by proton transfer reaction-mass spectrometry and gas chromatography-mass spectrometry, Food Chem., 98, 2006, 343-350. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 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 R.; Cava R., Volatile profiles of dry-cured meat products from three different Iberian x Duroc genotypes, J. Agric. ; Syomina, L.A.; Samusenko, A.L., Temperature changes of sorption parameters of di-n-alkylketones and methylcyclohexanones in capillary gas chromatography, Russ. arrow_forward_ios Draw structural formulas for all of the following. 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. Average mass 72.106 Da. Chromatogr., 845, 1999, 21-31. umn class: Standard non-polar; Column length: 6 m; Column type: Packed; Start T: 80 C; CAS no: 78933; Active phase: SE-30; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Viani, R.; Muggler-Chavan, F.; Reymond, D.; Egli, R.H., 196. ; Ding, S.F. Statistical and thermodynamic verification of a 'kinetic' model, Acta Chromatogr., 12, 2002, 65-79. umn class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 398 K; CAS no: 78933; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciazynska-Halarewicz, K.; Borucka, H.E. Reihe, 33, 1984, 6-9. umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 100 C; CAS no: 78933; 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. umn class: Standard non-polar; Column length: 12 ft; Column type: Packed; Start T: 150 C; CAS no: 78933; Active phase: SE-30; Substrate: Celatom AW silanized; Data type: Kovats RI; Authors: Haken, J.K.; Nguyen, A.; Wainwright, M.S., Application of linear extrathermodynamic relationships to alcohols, aldehydes, ketones, amd ethoxy alcohols, J. In the structure, the pyramidal phenylphosphido group bridges the dissimilar metals via relatively long metal-phosphorus bonds, viz., Fe-P = 2.285(5) , Cr-P = 2.511(4) . Statistical and thermodynamic verification of a 'kinetic' model, Acta Chromatogr., 12, 2002, 65-79. umn class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 373 K; CAS no: 78933; Active phase: DB-5; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Ciazynska-Halarewicz, K.; Borucka, H.E. We can identify these different isomers from several reactions which are discussed later in this tutorial. 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. Bull. 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. ; Yang, Z.C., Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns, J. Quim., 83, 1987, 56-58. umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Start T: 60 C; CAS no: 78933; Active phase: Apiezon L + KF; Phase thickness: 0.06 um; Data type: Kovats RI; Authors: Svetlova, N.I. A comparison of eleven potato cultivars, Nahrung/Food, 45(5), 2001, 317-323. 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: 280 C; CAS no: 78933; Active phase: BPX-5; Carrier gas: He; Phase thickness: 0.50 um; Data type: Linear RI; Authors: Aaslyng, M.D. ; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography. Food Res. ; Yunes, R.A.; Heinzen, V.E.F., Application of the semi-empirical topological index in quantitative structure-chromatographic retention relationship (QSRR) studies of aliphatic ketones and aldehydes on stationary phases of different polarity, J. Braz. 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: 373 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. ; Sanderson, A.; Walradt, J.P., Volatile components of roasted filberts, J. Agric. Chem. A, 1216, 2009, 1630-1639. umn class: Standard non-polar; Column type: Capillary; Start T: 140 C; CAS no: 78933; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Lebron-Aguilar, R.; Quintanilla-Lopez, J.E. 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. ; Lonneman, W.A., Characterization of non-methane volatile organic compounds at swine facilities in eastern North Carolina, Atm. See Answer Question: Draw a structural formula of a tertiary alcohol with the formula C4H8O ; Mon, T.R., Volatile constituents of Amaranthus retroflexus L., J. Agric. ; Campo, M.M. Soc., 15(2), 2004, 183-189. class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 60 0C (3 min) ^ 2 0C/min -> 150 0C ^ 4 0C/min -> 200 0C; CAS no: 78933; Active phase: DB-Wax; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kim. colourless, mobile liquid with an ethereal, nauseating odour. The 2D chemical structure image of but-2-en-1-ol is also called skeletal formula, which is the standard notation for organic molecules. Colorless liquid with a moderately sharp, fragrant, mint- or acetone-like odor. 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. Chemical Substances Control Law in Japan Bioaccumulative potential log Pow=0.45 (20)(REACH Registration dossier) But structure V is less stable due to presence of positive charge on electronegative oxygen (O) atom. Chromatogr., 643, 1993, 55-69. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 0 C; End T: 250 C; CAS no: 78933; Active phase: DB-1; Data type: Normal alkane RI; Authors: Habu, T.; Flath, R.A.; Mon, T.R. Food Chem., 49, 2001, 2409-2413. class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 60 0C ^ 5 0C/min -> 100 0C ^ 25 0C/min -> 240 0C; CAS no: 78933; Active phase: DB-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Wahl, H.G. A: The structure of the compound having molecular formula C4H8O is given below Q: Which law states that the entropy of a perfect crystalline substance is zero at the absolute zero of A: Zeroth law of Thermodynamics: If a system A is in equilibrium with system B and system B is in Contribution of dynamic headspace GC-MS analysis of aroma compounds to authenticity testing of honey, Food Chem., 72, 2001, 511-520. ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 30 C; End T: 160 C; End time: 5 min; CAS no: 78933; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Beauchene, D.; Grua-Priol, J.; Lamer, T.; Demaimay, M.; Quemeneur, F., Concentration by pervaporation of aroma compounds from Fucus serratus, J. Sci. ), 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. In cis structure, -CH 3 is placed in same side of the double bond. 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. A, 1160, 2007, 276-288. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 30 C; End T: 240 C; Start time: 10 min; CAS no: 78933; Active phase: DB-1; Carrier gas: He; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Frattoni, M.; Liberti, A., Use of carbon adsorption traps combined with high resolution gas chromatography - mass spectrometry for the analysis of polar and non-polar C4-C14 hydrocarbons involved in photochemical smog formation, J. Hi. Volatile reaction products from the reaction of phenylalanine with glucose during cooking and roasting, Z. Lebensm. 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. ; Flath, R.A.; Stern, D.J. Res. Chem., 21, 1968, 1125-1141. umn class: Semi-standard non-polar; Column type: Packed; Start T: 130 C; CAS no: 78933; Active phase: Apiezon L; Data type: Kovats RI; Authors: Bogoslovsky, Yu.N. 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. Food Composition & Analysis, 20, 2007, 297-307. 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: 220 C; End time: 20 min; Start time: 8 min; CAS no: 78933; Active phase: CP-Wax 52CB; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Povolo, M.; Contarini, G.; Mele, M.; Secchiari, P., Study on the influence of pasture on volatile fraction of Ewes' dairy products by solid-phase microextraction and gas chromatography-mass spectrometry, J. Gas-chromatographische Charakterisierung organischer Verbindungen. ; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography. ChemSpider ID 256. Teil 1: Retentionsindices aliphatischer Halogenide, Alkohole, Aldehyde und Ketone, Helv. ; Miller, J.W., Characterization of ham flavor using an atomic emission detector, J. Agric. Unters. A compound has the molecular formula C4H8O and contains a carbonyl group. ; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography. ; Malle, P., Determination of volatile compounds in whiting (Merlangius merlangus) using headspace-solid-phase microextraction-gas chromatography-mass spectrometry, J. Chromatogr. . (China), 24(10), 2007, 1404-1408. ass: Standard non-polar; Column type: Capillary; CAS no: 78933; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Du, X., Quantitative structure-property relationship study on analysis of retention index of organic compound in gas chromatography, Chemical World (Chinese), 42(8), 2001, 403-406. class: Standard non-polar; Column diameter: 0.5 mm; Column length: 50 m; Column type: Capillary; Description: -10C (8min) =>12C/min => 26C => 3C/min => 170C (30min); CAS no: 78933; Active phase: SE-30; Carrier gas: He; Data type: Normal alkane RI; Authors: Heydanek, M.G. ; Kim, H.; Cadwallader, K.R., Aroma-active compounds in Kimchi during fermentation, 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. Food Chem., 46(12), 1998, 5232-5237. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 45 C; End T: 220 C; CAS no: 78933; Active phase: DB-Wax; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Molleken U.; Sinnwell V.; Kubeczka K.H., TThe essential oil composition of fruits from Smyrnium perfoliatum, Phytochemistry, 47, 1998, 1079-1083. 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: 78933; 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.