Chromatogr., 586, 1991, 85-112. 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: 108101; Active phase: Petrocol DH; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Censullo, A.C.; Jones, D.R. ; Fellman, J.K.; Baik, B.-K., Analysis of volatile compounds from various types of barley cultivars, J. Agric. 1.) Data compilation copyright The "R" symbol indicates any radical or other non-specific functional group. Chromatogr., 235, 1982, 119-127. umn class: Standard non-polar; Column length: 12 ft; Column type: Packed; Start T: 150 C; CAS no: 108101; 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. ; Manzanos, M.J., Study of the volatile composition of an aqueous oak smoke preparation, Food Chem., 79, 2002, 283-292. ass: Semi-standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 180 C; Start time: 3 min; CAS no: 108101; Active phase: HP-5; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Jung, A.; Wichmann, K.-H.; Kolb, M., VOC emission of polymeric packaging materials, LaborPraxis, 23(9), 1999, 20-22. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 30 C; End T: 250 C; End time: 5 min; Start time: 2 min; CAS no: 108101; Active phase: PoraPLOT; Carrier gas: He; Data type: Normal alkane RI; Authors: Ojanpera, I.; Pihlainen, K.; Vuori, E., Identification limits for volatile organic compounds in the blood by purge-and-trap GC/FTIR, J. Anal. Food Comp. Acta, 7, 1959, 2709-2736. ass: Standard polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 200 C; Start time: 5 min; CAS no: 108101; Active phase: CBP-20; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Shimadzu, Gas chromatography analysis of organic solvents using capillary columns (No. ; Hsieh, T.C.-Y., Analysis of crabmeat volatile compounds, J. The butyl functional group consists of four carbon atoms. A, 858, 1999, 187-199. ass: Standard non-polar; Column type: Capillary; CAS no: 108101; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Feng, H.; Mu, L.-L., Quantitative structure-retention relationships for alkane and its derivatives based on electrotopological state index and molecular shape index, Chem. 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: 108101; 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. The molecular formula for butyl is R-C4H9. ; Edwards, P.A., Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups, Anal. Paint Technol., 40(527), 1968, 549-557. 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: 108101; 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. Technol., 75(936), 2003, 47-53. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 325 C; CAS no: 108101; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Sun, G.; Stremple, P., Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 108101; Active phase: Methyl Silicone; Carrier gas: N2; Phase thickness: 0.17 um; Data type: Linear RI; Authors: Sumathykutty, M.A. These names are: n-butyl, s-butyl, t-butyl, and isobutyl. ; Narayanan, C.S., Essential oil constituents of some Piper species, Flavour Fragr. environments. ; 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. Reihe, 33, 1984, 6-9. umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; Start T: 120 C; CAS no: 108101; Active phase: OV-1; Substrate: Gas Chrom Q; Data type: Kovats RI; Authors: Valko, K.; Papp, O.; Darvas, F., Selection of Gas Chromatographic Stationary Phase Pairs for Characterization of the 1-Octanol-Water Partition Coefficient, J. II. The third form has three of the carbons single bonded to a center fourth carbon and the rest of the molecule is attached to the center carbon. The material is less resistant in terms of cold weather with a saturation point[disambiguation needed] of −15 ℃ for old types and −28 to −30 ℃ for new types. All rights reserved. ; Aggarwal, K.K. Chem. ; Baser, K.H.C. ; Byun, M.W., Color, flavor, and sensory characteristics of gamma-irradiated salted and fermented anchovy sauce, Radiation Phys. Copyright for NIST Standard Reference Data is governed by ; Mookherjee,B.D. In the convention of skeletal formulas, every line ending and line intersection specifies a carbon atom (unless otherwise indicated) saturated with single-linked hydrogen atoms (unless otherwise indicated). View scan of original The other two carbons are both methyl groups attached at the beginning point of the ethyl group. Therefore, t-butyl is 1,1-dimethylethyl in systematic names. umn class: Standard non-polar; Column type: Capillary; Start T: 333 C; CAS no: 108101; Active phase: OV-1; Data type: Kovats RI; Authors: Hu, X.-F.; Lu, C.-H.; Yin, C.-S., Modeling Gas Chromatographic Retention Indices of Oxygen-containing Compounds by Novel Atom-type Topological Indices, Chinese Journal of Chemical Physics, 19(3), 2006, 243-247. umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 100 C; CAS no: 108101; Active phase: SE-30; Substrate: Gaschrom Q; Data type: Kovats RI; Authors: Winskowski, J., Gaschromatographische Identifizierung von Stoffen anhand von Indexziffem und unterschiedlichen Detektoren, Chromatographia, 17(3), 1983, 160-165. ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 200 C; Start time: 5 min; CAS no: 108101; Active phase: CBP-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Shimadzu, Gas chromatography analysis of organic solvents using capillary columns (No. Chromatogr., 845, 1999, 21-31. umn class: Standard non-polar; Column length: 3 m; Column type: Packed; Start T: 150 C; CAS no: 108101; Active phase: SE-30; Carrier gas: Ar; Substrate: Gas Chrom Q (80-100 mesh); Data type: Kovats RI; Authors: Tiess, D., Gaschromatographische Retentionsindices von 125 leicht- bis mittelfluchtigen organischen Substanzen toxikologisch-analytischer Relevanz auf SE-30, Wiss. CopyCopied, NTIZESTWPVYFNL-UHFFFAOYSA-N ; Ramsey, J.D., Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56. 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: 108101; 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. class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 35C(4min) =>4C/min =>130C =>25C/min =>200C(5min); CAS no: 108101; Active phase: CP Sil 5 CB; Carrier gas: He; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Miermans, C.J.H. ; Edwards, P.A., Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups, Anal. ; Ahmad, A.; Syamsunder, K.V. ), 32(5), 1996, 656-666, In original 656-666. 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: 108101; 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. 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: 108101; 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. class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 0C ^ 3 0C/min -> 250 0C (1 min) ^ 10 0C/min -> 300 0C (5 min); CAS no: 108101; Active phase: SLB-5 MS; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Costa, R.; De Fina, M.R.