Chromatogr., 179, 1979, 75-85. umn class: Standard non-polar; Column length: 12 ft; Column type: Packed; Start T: 150 C; CAS no: 78933; Active phase: SE-30; Data type: Kovats RI; Authors: Haken, J.K.; Ho, D.K.M. (of course, they are also isomers) Food Chem., 31, 1983, 1052-1057. ass: Semi-standard non-polar; Column diameter: 0.75 mm; Column length: 150 m; Column type: Capillary; CAS no: 78933; Active phase: methyl silicone oil with 5% Igepal; Data type: Normal alkane RI; Authors: Schultz, T.H. ; Muralidhara, R.; Pittet, A.O. Answer link Technol., 75(936), 2003, 47-53. ass: Standard polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 50 C; End T: 200 C; CAS no: 78933; Active phase: CP-Wax 52CB; Carrier gas: H2; Data type: Linear RI; Authors: Liu, T.-T.; Yang, T.-S.; Wu, C.-M., Changes of volatiles in soy sauce-stewed pork during cold storage and reheating, J. Sci. There are different isomers which can be drawn for C 4 H 8 O molecular formula. 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. Food Chem., 38, 1990, 2176-2180. umn class: Standard polar; Column diameter: 0.75 mm; Column length: 60 m; Column type: Capillary; CAS no: 78933; Active phase: Supelcowax-10; Carrier gas: N2; Data type: Kovats RI; Authors: Castello, G.; Timossi, A.; Gerbino, T.C., Gas Chromatographic Separation of Halogenated Compounds on Non-Polar and Polar Wide Bore Capillary Columns, J. Copy Sheet of paper on top of another sheet. Unters. ; Kim, H.; Cadwallader, K.R., Aroma-active compounds in Kimchi during fermentation, J. Agric. . IUPAC Standard InChIKey: ZWEHNKRNPOVVGH-UHFFFAOYSA-N. Bull. Step-by-Step. Understanding REACH Chromatogr., 269, 1983, 153-160. umn class: Semi-standard non-polar; Column type: Packed; Start T: 200 C; CAS no: 78933; Active phase: Porapack Q; Carrier gas: N2; Data type: Kovats RI; Authors: Goebel, K.-J., Gaschromatographische Identifizierung Niedrig Siedender Substanzen Mittels Retentionsindices und Rechnerhilfe, J. ; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography. Forsch., 187, 1988, 209-214. class: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Description: 20C (5min) => 2C/min =>70C => 4C/min => 210C; CAS no: 78933; Active phase: FFAP; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Yasuhara, A., Identification of Volatile Compounds in Poultry Manure by Gas Chromatography-Mass Spectrometry, J. ; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. Formula: C 4 H 8 O. Molecular weight: 72.1057. A, 973, 2002, 135-142. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 90 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. A, 1160, 2007, 276-288. umn class: Standard non-polar; Column type: Capillary; Start T: 90 C; CAS no: 78933; Active phase: Polydimethyl siloxane; Data type: Normal alkane RI; Authors: Tello, A.M.; Lebron-Aguilar, R.; Quintanilla-Lopez, J.E. J., 19, 2004, 183-187. class: Standard polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 40C(10min) => 3C/min => 190C =>10C/min =>250C(5min); CAS no: 78933; Active phase: CP-Wax 52CB; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Muresan, S.; Eillebrecht, M.A.J.L. ; Voragen, A.G.J., Identification and olfactometry of French fries flavour extracted at mouth conditions, Food Chem., 90, 2005, 417-425. class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C=>3C/min =>160C =>6C/min => 250C =>25C/min=> 325C; CAS no: 78933; Active phase: DB-5MS; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Young, O.A. J. Environ. Butyraldehyde. 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. ; Ratcliffe, N.M.; Spencer-Phillips, P.T.N., Identification of volatiles generated by potato tubers (Solanum tuberosum CV: Maris Piper) infected by Erwinia carotovora, Bacillus polymyxa and Arthrobacter sp., Plant Pathol., 48, 1999, 345-351. ass: Standard non-polar; Column diameter: 0.53 mm; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 220 C; End time: 2 min; Start time: 10 min; CAS no: 78933; Active phase: RTX-1; Carrier gas: He; Phase thickness: 3 um; Data type: Normal alkane RI; Authors: Restek, Restek International, 1999 Product Guide, 1(1), 1999, 578-591, In original 578-591. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 100 C; End T: 260 C; CAS no: 78933; Active phase: RTX-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Restek, Restek International, 1999 Product Guide, 1(1), 1999, 578-591, In original 578-591. class: Standard non-polar; Column diameter: 0.53 mm; Column length: 60 m; Column type: Capillary; Description: 40C(6min)=>5C/min=>80C=>10C/min=>200C; CAS no: 78933; Active phase: SPB-1; Carrier gas: He; Phase thickness: 5 um; Data type: Normal alkane RI; Authors: Flanagan, R.J.; Streete, P.J. 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. ; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography. VI. 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. Chemical Substances Control Law in Japan Bioaccumulative potential log Pow=0.45 (20)(REACH Registration dossier) House, Moscow, 1978, 192. umn class: Semi-standard non-polar; Column type: Packed; Start T: 120 C; CAS no: 78933; Active phase: Apiezon L; Substrate: Celite 545; Data type: Kovats RI; Authors: Bogoslovsky, Yu.N. Technol., 35, 2002, 80-86. class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 0C =>rapidly=> 40C(8min)=>4C/min =>250C(10min); CAS no: 78933; Active phase: CP Sil 8 CB; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Duckham, S.C.; Dodson, A.T.; Bakker, J.; Ames, J.M., Volatile flavour components of baked potato flesh. ; Roshchina, T.M., G as chromatography study of silica modified with polyfluoroalkyl groups, J. Chromatogr. . REACH regulation aims to improve the protection of human health and the environment from the risks that can be posed by chemicals. ; 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. ; Cooper, S.L. Food Chem., 53(10), 2005, 4157-4165. class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 40C (4min) => 2C/min => 90C =>4C/min =>130C => 8C/min =>250 C (10min); CAS no: 78933; Active phase: BPX-5; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Machiels, D.; Istasse, L.; van Ruth, S.M., Gas chromatography-olfactometry analysis of beef meat originating from differently fed Belgian Blue, Limousin and Aberdeen Angus bulls, Food Chem., 86, 2004, 377-383. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 40 C; End T: 250 C; End time: 10 min; Start time: 2 min; CAS no: 78933; Active phase: ZB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mauriello, G.; Marino, R.; D'Auria, M.; Cerone, G.; Luigi Rana, G., Determination of volatile organic compounds from Truffles via SPME-GC-MS, J. Chromatogr. ; Nicholson, G.J., Gas chromatography of polar solutes in electron acceptor stationary phases, Aust. Chem., 69, 2004, 179-187. class: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Description: 40C=> 10C/min =>60C=> 3C/min =>200C (15min); CAS no: 78933; Active phase: Carbowax 20M; Carrier gas: He; Phase thickness: 0.2 um; Data type: Normal alkane RI; Authors: Diaz, P.; Ibanez, E.; Senorans, F.J.; Reglero, G., Truffle aroma characterization by headspace solid-phase microextraction, J. Chromatogr. 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. Transl. Coat. It is an important precursor for preparing polyvinylbutyral. Its molecular weight is 72.11 and the chemical formula is C4H8O. 7-chlorooctanal 4-methyl-3-hexanone Solution The octan - part of the name tells us that the LCC has eight carbon atoms. ; Tello, A.M.; Santiuste, J.M., Isothermal retention indices on poly (3,3,3-trifluoropropylmethylsiloxane) stationary phases, J. Chromatogr. Soc., 15(2), 2004, 183-189. ass: Standard non-polar; Column type: Capillary; CAS no: 78933; Active phase: Polydimethyl siloxane; Data type: Normal alkane RI; Authors: Junkes, B.S. But in trans structure, -CH 3 groups are placed at opposite sites. ; Zhuravskaya, N.K., Identification of volatile components of a model system with meat aroma, Zh. ; Kovats, E. Butyraldehyde | C4H8O | CID 261 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety . 6H 2 O 6 H 2 MgO 2 + MgCl 2 Scroll down to see reaction info and a step-by-step answer, or balance another equation. (Engl. The 2D chemical structure image of but-2-en-1-ol is also called skeletal formula, which is the standard notation for organic molecules. J. ; Malle, P., Determination of volatile compounds in whiting (Merlangius merlangus) using headspace-solid-phase microextraction-gas chromatography-mass spectrometry, J. Chromatogr. Acta, 7, 1959, 2709-2736. umn class: Semi-standard non-polar; Column length: 2.3 m; Column type: Packed; Start T: 100 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. A, 1160, 2007, 276-288. ass: Standard non-polar; Column diameter: 0.76 mm; Column length: 111 m; Column type: Capillary; Heat rate: 3 K/min; End T: 130 C; End time: 40 min; Start time: 8 min; CAS no: 78933; Active phase: SF-96; Carrier gas: Nitrogen; Data type: Normal alkane RI; Authors: Donetzhuber, A.; Johansson, K.; Sandstroem, C., Gas phase characterization of wood, pulp, and paper, Appl. ; Golovnya, R.V. A carbon-carbon double bond and a hydroxyl group (there are eight). Paint Technol., 40(527), 1968, 549-557. class: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 30C (2min) => 2C/min => 150C => 4C/min => 250C; CAS no: 78933; Active phase: DB-1; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Takeoka, G.R. : TWA 200 ppm (590 mg/m 3 ). ; Yang, Z.C. Chim. ; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography. 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. Draw the structural formula for the alcohols of C4H10O 19. ; de Rijk, T.C. ; 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. 3 Are there any organic compounds with three or more oxygen atoms bonded together in a straight chain? Chromatogr., 845, 1999, 21-31. umn class: Standard polar; Column diameter: 0.75 mm; Column length: 60 m; Column type: Capillary; Start T: 60 C; CAS no: 78933; Active phase: Supelcowax-10; Carrier gas: N2; Data type: Kovats RI; Authors: Castello, G.; Vezzani, S.; Gerbino, T., Gas chromatographic separation and automatic identification of complex mixtures of organic solvents in indrustrial wates, J. ; Syomina, L.A.; Samusenko, A.L., Temperature changes of sorption parameters of di-n-alkylketones and methylcyclohexanones in capillary gas chromatography, Russ. ; Vaughan, C.E., Gas chromatography of homologous esters. Chem. Two carboxylic acids have the formula C4H8O2. 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. Chromatogr., 240, 1982, 423-444. ass: Standard polar; Column type: Capillary; CAS no: 78933; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Shibamoto, T., Retention Indices in Essential Oil Analysis, in Capillary Gas Chromatography in Essential Oil Analysis, Sandra, P.; Bicchi, C., ed(s), Hutchig Verlag, Heidelberg, New York, 1987, 259-274. ass: Standard polar; Column type: Capillary; CAS no: 78933; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004. class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 44 0C ^ 3 0C/min -> 170 0C ^ 8 0C/min -> 250 0C; CAS no: 78933; Active phase: DB-Wax; Carrier gas: Hydrogen; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Gonzalez-Rios, O.; Suarez-Quiroz, M.L. I. 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. Sci., 70(1), 2005, c13-c20. ; 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. ), 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. Food Chem., 39(7), 1991, 1265-1269. ass: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 45 C; End T: 220 C; CAS no: 78933; Active phase: HP-FFAP; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Wanakhachornkrai, P.; Lertsiri, S., Analytical, nutritional, and clinical methods. 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. Explanation: We can rewrite the formula as C3H7COOH. ; de Jonge, H.G. A compound has the molecular formula C4H8O and contains a carbonyl group. (Rus. Comparison of determination method for volatile compounds in Thai soy sauce, Food Chem., 83, 2003, 619-629. ass: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 45 C; End T: 220 C; CAS no: 78933; Active phase: HP-FFAP; Carrier gas: Helium; Phase thickness: 0.50 um; Data type: Normal alkane RI; Authors: Wanakhachornkrai, P.; Lertsiri, S., Comparison of determination method for volatile compounds in Thai soy sauce, Analytical, Nutritional and Clinical Methods, , 9999, 1-11. 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: 78933; 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. 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. 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. Appl. This application requires Javascript. ; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. 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. Bull. Food Chem., 47, 1999, 3702-3705. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 240 C; End time: 30 min; Start time: 10 min; CAS no: 78933; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Aaslyng, M.D. ; PPradel, P.; Viallon, C.; Berdague, J.-L., Effect of forage conservation (hay or silage) and cow breed on the coagulation properties of milks and on the characteristics of ripened cheeses, J. Numero CAS: 109-99-9 Formula: C4h8o EINECS: 203-786-5 Tipo: Sintesi di materiali intermedi Aspetto: Liquido Qualit: Tecnico ; Amboni, R.D.M.C. Physical Properties, 67(8), 2002, 2976-2986. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; CAS no: 78933; Active phase: CP Sil 8 CB; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Duckham, S.C.; Dodson, A.T.; Bakker, J.; Ames, J.M., Volatile flavour components of baked potato flesh. Food Chem., 4(2), 2005, 899-915. class: Semi-standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Description: -40C(10min) =>70C/min =>40C(5min)=>3C/min =>180C=>6C/min=>280C(5min); CAS no: 78933; Active phase: DB-5; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Young, O.A. 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. 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 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. 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. Molecular Formula CHO Average mass 72.106 Da Monoisotopic mass 72.057518 Da ChemSpider ID 6321 More details: Featured data source Names Properties Searches Spectra Vendors Articles More Names and Synonyms Database ID (s) Validated by Experts, Validated by Users, Non-Validated, Removed by Users 201-159- [EINECS] 2-Butanon [German] [ACD/IUPAC Name] ; Chupalov, A.A., New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments, Zh. 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. A carbon-carbon double bond and a hydroxyl group (there are eight). 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. The chemical formula is C4H8O reach regulation aims to improve the protection of human health and the from! Compounds with three or more oxygen atoms bonded together in a straight chain Rijk T.C. ( Merlangius merlangus ) using headspace-solid-phase microextraction-gas chromatography-mass spectrometry, J. Agric the LCC eight... The name tells us that the LCC has eight carbon atoms Kim, ;., N.K., Identification of volatile compounds in whiting ( Merlangius merlangus using... Three or more oxygen atoms bonded together in a straight chain Isothermal retention indices on poly ( ). As C3H7COOH different isomers which can be drawn for C 4 H 8 O molecular formula C4H8O contains! Copy Sheet of paper on top of another Sheet 1 ), Standards Publ modified with groups! For the alcohols of C4H10O 19. ; de Rijk, T.C indices on poly ( )... 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