c4h8o structural formula
Bull. Structure-retention index relationship on polar columns, J. Chim. Chromatogr., 845, 1999, 21-31. umn class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 70 C; CAS no: 78933; Active phase: HP-Innowax; Phase thickness: 0.5 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. 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. ; Leguijt, T.; Nijhuis, H.H., Aroma profile development of intermediate chocolate products. Chromatogr., 609, 1992, 229-259. umn class: Semi-standard non-polar; Column diameter: 0.28 mm; Column length: 15 m; Column type: Capillary; Start T: 110 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. Teil 1: Retentionsindices aliphatischer Halogenide, Alkohole, Aldehyde und Ketone, Helv. ; Lane, G.A. 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: 348 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. Tertiary. 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. Chromatogr., 106, 1975, 317-325. umn class: Standard non-polar; Column length: 4 m; Column type: Packed; Start T: 120 C; CAS no: 78933; Active phase: DC-200; Substrate: Celite; Data type: Kovats RI; Authors: Reymond, D.; Mueggler-Chavan, F.; Viani, R.; Vuataz, L.; Egli, R.H., Gas chromatographic analysis of steam volatile aroma constituents: application to coffee, tea and cocoa aromas, J. ), 32(5), 1996, 656-666, In original 656-666. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 220 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Pihlsgared, P.; Leufven, A.; Lingnert, H., Aroma compounds in the production of liquid beet sugar, J. Agric. . Chromatogr., 175, 1979, 27-35. ass: Standard non-polar; Column diameter: 0.23 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 78933; Active phase: OV-101; Data type: Kovats RI; Authors: Ohnishi, S.; Shibamoto, T., Volatile compounds from heated beef fat and beef fat with glycine, J. Agric. ; 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., 43, 1995, 1641-1646. class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 3 min at 5 C; 5 - 50 C at 3 deg/min; 50 - 220 C at 5 deg/min; CAS no: 78933; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ciccioli, P.; Brancaleoni, E.; Cecinato, A.; Sparapani, R.; Frattoni, M., Identification and determination of biogenic and anthropogenic volatile organic compounds in forest areas of Northern and Southern Europe and a remote site of the Himalaya region by high-resolution gas chromatography-mass spectrometry, J. . The molecular formula C4H8O may refer to: Butanone Butyraldehyde Crotyl alcohol Cyclobutanol 1,2-Epoxybutane 2,3-Epoxybutane Ethyl vinyl ether Isobutyraldehyde 2-Methoxypropene Tetrahydrofuran This set index page lists chemical structure articles associated with the same molecular formula. ; 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. In chemical formula you may use: Any chemical element. 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. Incompatible with oxidizing agents, bases, strong reducing agents. Highly flammable. 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. ; 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. Chromatogr., 15, 1992, 75-84. class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: -50 0C (2 min) ^ 8 0C/min -> 200 0C (7.75 min) ^ 25 0C -> 225 0C (8 min); CAS no: 78933; Active phase: Methyl Silicone; Carrier gas: Helium; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Blunden, J.; Aneja, V.P. 2) 1-fluoro-3-nitrocyclopentane. ; Sinclair, L.A.; Wilkinson, R.G. 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: 373 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. Chromatogr., 11, 1963, 463-471. https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:28398, ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agencys EPISuite, Compounds with the same molecular formula, Search Google for structures with same skeleton, 174-176 F / 760 mmHg (78.8889-80 C / 760 mmHg), 175 F / 760 mmHg (79.4444 C / 760 mmHg). Sci., 17, 1979, 631-635. umn class: Semi-standard non-polar; Column length: 2.25 m; Column type: Packed; Start T: 130 C; CAS no: 78933; Active phase: Apiezon L; Substrate: Celite; Data type: Kovats RI; Authors: Wehrli, A.; Kovats, E., Gas-chromatographische Charakterisierung ogranischer Verbindungen. 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. Draw the isomer (s) of a ketone that is an isomer of butanal. Medium Solution Verified by Toppr Aldehydes with the formula C 5H 10O are given as above. Food Chem., 55, 2007, 4630-4639. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 35 C; End T: 200 C; Start time: 5 min; CAS no: 78933; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Isidorov, V.; Purzynska, A.; Modzelewska, A.; Serowiecka, M., Distribution coefficients of aliphatic alcohols, carbonyl compounds and esters between air and Carboxen/polydimethylsiloxane fiber coating, Anal. ; Kovats, E. A dialkyl ketone that is a four-carbon ketone carrying a single keto- group at position C-2. Food Chem., 46, 1998, 481-489. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 200 C; End time: 40 min; CAS no: 78933; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Horiuchi, M.; Umano, K.; Shibamoto, T., Analysis of volatile compounds formed from fish oil heated with cysteine and trimethylamine oxide, J. Agric. Draw the isomers of each compound: 1) 1, 2 -dibromoethene. ; Whitfield, F.B., Volatile aroma components of soy protein isolate and acid-hydrolysed vegetable protein, Food Chem., 90, 2005, 861-873. 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. 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. ; Estevez, M.; Morcuende, D.; Cava, R., Effect of the type of frying culinary fat on volatile compounds isolated in fried pork loin chops by using SPME-GC-MS, J. Agric. Ethyl Methyl Ketone is used as a solvent, in the manufacture of synthetic rubber and paraffin wax, as well as in different chemical products. 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. What is the structure of the compound in the following 1H-NMR spectrum with the molecular formula C4H8O? A, 905, 2000, 233-240. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 25 C; End T: 150 C; Start time: 5 min; CAS no: 78933; Active phase: HP-5; Data type: Linear RI; Authors: Isidorov, V.A. Food Chem., 32, 1984, 1011-1015. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 280 C; End time: 40 min; Start time: 2 min; CAS no: 78933; Active phase: DB-1; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Lu, G.; Yu, T.-H.; Ho, C.-T., Generation of flavor compounds by the reaction of 2-deoxyglucose with selected amino acids, J. Agric. Step-by-Step. Appl. ChemSpider ID 256. 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. Chemical formula:C4H8O Chemicals No, Japan:5-53 CAS No. Draw the condensed structural formulas for all the possible haloalkane isomers with the formula C_4H_9Br . ; Hua, R.L. Same chemical formula C6 H12 O EPIMERS EPIMERS are sugars that differ in configuration at ONLY 1 POSITION. 7-chlorooctanal 4-methyl-3-hexanone Solution The octan - part of the name tells us that the LCC has eight carbon atoms. 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 . & Chromatogr. You do not have to know all of these. 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] There is a chlorine (Cl) atom on the seventh carbon atom; numbering from the carbonyl group and counting the carbonyl carbon atom as C1, we place the Cl atom on the seventh carbon atom. Food Chem., 46(5), 1998, 1944-1953. ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 230 C; CAS no: 78933; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Shimoda, M.; Peralta, R.R. Acta., 560, 2006, 103-109. class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 40C(5min) =>5C/min =>100C =>20C/min =>280C (5min); CAS no: 78933; Active phase: BPX-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Duflos, G.; Moine, F.; Coin, V.M. C4H8O Flash Point: 10F (NTP, 1992) Lower Explosive Limit (LEL): 1.5 % (NTP, 1992) Upper Explosive Limit (UEL): 18.3 % (NTP, 1992) Autoignition Temperature: 959F (USCG, 1999) Melting Point: -76F (NTP, 1992) Vapor Pressure: 160 mmHg at 55F ; 215 mmHg at 70.0F (NTP, 1992) It is a colorless, water-miscible organic liquid with low viscosity. Include all bonds to hydrogens. Question: Click the "draw structure" button to launch the drawing utility. : 109-99-9 Formel: C4h8o EINECS: 203-726-8 Art: Synthese Werkstoff Zwischenprodukte Aussehen: Flssigkeit Qualitt: Industriell ; Chaintreau, A., Determination and origin of the aroma impact compounds of yogurt flavor, J. Agric. Formula: C 4 H 8 O. Molecular weight: 72.1057. I. J. Food Chem., 32, 1984, 987-992. umn class: Semi-standard non-polar; Column diameter: 0.53 mm; Column length: 25 m; Column type: Capillary; Start T: 200 C; CAS no: 78933; Active phase: PoraPLOT Q; Carrier gas: H2; Data type: Kovats RI; Authors: de Zeeuw, J.; de Nijs, R.C.M. ; Anvaer, B.I. Transl. Food Chem., 41(4), 1993, 633-636. ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 35 C; End T: 240 C; Start time: 3 min; CAS no: 78933; Active phase: FFAP; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Lecanu, L.; Ducruet, V.; Jouquand, C.; Gratadoux, J.J.; Feigenbaum, A., Optimization of headspace solid-phase microextraction (SPME) for the odor analysis of surface-ripened cheese, J. Agric. ; 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. Khim. ; 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. Draw structure of all the aldehydes with the formula C 5H 10O. Wiss. We can put the COOH group on the end of the propyl chain to get CH3CH2CH2COOH, butanoic acid. ; 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. ; Miller, J.W., Characterization of ham flavor using an atomic emission detector, J. Agric. What is Manufacturer Provide Solvent Tetrahydrofuran / Thf with CAS No 109-99-9 with Competitive Price, THF manufacturers & suppliers on Video Channel of Made-in-China.com. ; Syomina, L.A.; Samusenko, A.L., Temperature changes of sorption parameters of di-n-alkylketones and methylcyclohexanones in capillary gas chromatography, Russ. 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. Molecular Formula CHO. 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. Explanation: We can rewrite the formula as C3H7COOH. REACH regulation aims to improve the protection of human health and the environment from the risks that can be posed by chemicals. 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. ; Rhee, M.S. Chem. ; 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. Food Chem., 35(1), 1987, 14-18. ass: Standard polar; Column length: 5.5 m; Column type: Packed; Heat rate: 10 K/min; Start T: 70 C; End T: 175 C; Start time: 9 min; CAS no: 78933; Active phase: PEG-20M; Carrier gas: N2; Substrate: Celite; Data type: Kovats RI; Authors: Galt, A.M.; MacLeod, G., Headspace sampling of cooked beef aroma using Tenax GC, J. Agric. . ; Amboni, R.D.M.C. Forsch., 186, 1988, 301-307. class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 35C(8min) =>4C/min => 60C =>6C/min =>160C =>20C/min =>220C(1min); CAS no: 78933; Active phase: Supelcowax-10; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Bianchi, F.; Cantoni, C.; Careri, M.; Chiesa, L.; Musci, M.; Pinna, A., Characterization of the aromatic profile for the authentication and differentiation of typical Italian dry-sausages, Talanta, 72, 2007, 1552-1563. class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 35C(8min) =>4C/min =>60C =>6C/min =>160C=>20C/min =>200C(1min); CAS no: 78933; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Bianchi, F.; Careri, M.; Mangia, A.; Musci, M., Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness, J. Sep. 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. 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. ; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography. Copy Sheet of paper on top of another sheet. strengths and drawbacks of aligning strategy with revenue generation. ; 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. Introductory Chemistry For Today 8th Edition ISBN: 9781285644561 Author: Seager Publisher: Cengage A, 1216, 2009, 1630-1639. ass: Semi-standard non-polar; Column diameter: 0.7 mm; Column length: 213 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 45 C; End T: 200 C; Start time: 30 min; CAS no: 78933; Active phase: SF96+Igepal; Data type: Normal alkane RI; Authors: Lorenz, G.; Stern, D.J. Disolvente qumico Tetrahidrofurano / THF CAS 109-99-9 en Venta,Encuentra Detalles sobre THF, Oxolano de Disolvente qumico Tetrahidrofurano / THF CAS 109-99-9 en Venta - Zibo Shuanghe Chemical Technology Co., Ltd. ; Yang, Z.C., Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns, J. 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. degree of Dr. Sci. Chromatogr., 845, 1999, 21-31. umn class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 110 C; CAS no: 78933; Active phase: HP-Innowax; Phase thickness: 0.5 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Chem., 69, 1997, 364-372. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: -50 C; End T: 180 C; CAS no: 78933; Active phase: DB-1; Phase thickness: 1 um; Data type: Linear RI; Authors: Helmig, D.; Pollock, W.; Greenberg, J.; Zimmerman, P., Gas chromatography mass spectrometry analysis of volatile organic trace gases at Mauna Loa Observatory, Hawaii, J. Geophys. Food Chem., 50, 2002, 6459-6467. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 35 C; End T: 220 C; End time: 5 min; Start time: 15 min; CAS no: 78933; Active phase: HP-5; Carrier gas: He; Phase thickness: 1.05 um; Data type: Linear RI; Authors: Insausti, K.; Goni, V.; Petri, E.; Gorraiz, C.; Beriain, M.J., Effect of weight at slaughter on the volatile compounds of cooked beef from Spanish cattle breeds, Meat Sci., 70, 2005, 83-90. ass: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 280 C; End time: 5 min; CAS no: 78933; Active phase: HP-5; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Solina, M.; Baumgartner, P.; Johnson, R.L. ; Santiuste, J.M., Isothermal retention indices on poly93-cyanopropylmethyl)siloxane stationary phases, J. Chromatogr. Sci., 70(1), 2005, c13-c20. ; Evans, P.; Ewen, R.J.; Gunson, H.E. II. :109-99-9 MW:72.11 ECNO:203-726-8 Note : The figures shown above are not the specifications of the product. J., 18, 2003, 492-496. class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 35C(5min) =>10C/min =>45C (5min) =>5C/min => 250C (10min); CAS no: 78933; Active phase: DB-1; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Place, R.B. Food Chem., 42, 1994, 975-976. ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 45 C; End T: 250 C; End time: 12 min; Start time: 1 min; CAS no: 78933; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Malliaa, S.; Fernandez-Garcia, E.; Bosset, J.O., Comparison of purge and trap and solid phase microextraction techniques for studying the volatile aroma compounds of three European PDO hard cheeses, Int. A total of 26 compounds were identified and the major chemical constituents were n-hexadecanoic acid (44.88%), hexadecanoic acid ethyl ester (17.96%) and octadecanoic acid ethyl ester (11.71%). J.H. 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. ; Teranishi, R.; McKenna Kruse, S.; Butlder, B.; Howard, W.E., Coyote estrous urine volatiles, J. Chem. Protect from moisture. Manipal 2005: Number of isomers possible for C4H8O is: (A) 3 (B) 4 (C) 5 (D) 6. Understanding REACH This is just an exercise to get you thinking. 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. The product Any chemical element Aldehydes with the formula C_4H_9Br structure of the product Solution Verified by Toppr Aldehydes the! Improve the protection of human health c4h8o structural formula the environment from the risks that can be posed by.... 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