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Home Page Flashcards Mesitylene C9H12 structure - Flashcards

Mesitylene C9H12 structure – Flashcards

Flashcard maker : Joel Boykin

Molecular Formula C9H12
Average mass 120.192 Da
Density 0.9±0.1 g/cm3
Boiling Point 166.7±20.0 °C at 760 mmHg
Flash Point 44.4±0.0 °C
Molar Refractivity 40.7±0.3 cm3
Polarizability 16.1±0.5 10-24cm3
Surface Tension 28.8±3.0 dyne/cm
Molar Volume 138.3±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties

    • Experimental Melting Point:

      -45 °C Alfa Aesar
      -45 °C Oxford University Chemical Safety Data (No longer updated) More details
      -44.7 °C Jean-Claude Bradley Open Melting Point Dataset 20499
      -45 °C Jean-Claude Bradley Open Melting Point Dataset 13533, 15889, 7445
      -45 °C Matrix Scientific
      -45 °C Alfa Aesar A11323
      -45 °C Matrix Scientific 096907
      -45 °C SynQuest 1700-1-03
      -45 °C Oakwood 095021
      -45 °C LabNetwork LN00164621

    • Experimental Boiling Point:

      163-165 °C Alfa Aesar
      329 F (165 °C)
      NIOSH OX6825000
      165 °C Oxford University Chemical Safety Data (No longer updated) More details
      163-165 °C Matrix Scientific
      163-165 °C Alfa Aesar A11323
      163-165 °C Matrix Scientific 096907
      163-166 °C SynQuest 1700-1-03
      163-166 °C Oakwood 095021
      163-166 °C LabNetwork LN00164621

    • Experimental Optical Rotation:

      1.499 Matrix Scientific 096907

    • Experimental Ionization Potent:

      8.39 Ev NIOSH OX6825000

    • Experimental Vapor Pressure:

      2 mmHg NIOSH OX6825000

    • Experimental Flash Point:

      44 °C Alfa Aesar
      122 F (50 °C)
      NIOSH OX6825000
      46 °C Oxford University Chemical Safety Data (No longer updated) More details
      44 °C Alfa Aesar
      44 °F (6.6667 °C)
      Alfa Aesar A11323
      53 °C SynQuest 1700-1-03
      53 °C Oakwood 095021
      53 °C LabNetwork LN00164621

    • Experimental Freezing Point:

      -49 F (-45 °C)
      NIOSH OX6825000

    • Experimental Gravity:

      0.865 g/mL Alfa Aesar A11323
      0.865 g/mL Matrix Scientific 096907
      0.864 g/mL SynQuest 1700-1-03
      0.864 g/mL Oakwood 095021

    • Experimental Refraction Index:

      1.499 Alfa Aesar A11323
      1.499 Matrix Scientific 096907
      1.499 SynQuest 1700-1-03

    • Experimental Solubility:

      0.002% NIOSH OX6825000
      -3.40 Egon Willighagen http://dx.doi.org/10.1021/ci050282s
  • Predicted Physico-chemical Properties

    • Predicted Melting Point:

      -45 °C J&K Scientific 438648
  • Miscellaneous

    • Appearance:

      Clear, colorless liquid with a distinctive, aromatic odor. NIOSH OX6825000
      colourless liquid with an aromatic odour Oxford University Chemical Safety Data (No longer updated) More details

    • Stability:

      Stable. Combustible. Incompatible with strong oxidizing agents. Oxford University Chemical Safety Data (No longer updated) More details

    • Safety:

      10-37-51/53 Alfa Aesar A11323
      2-61 Alfa Aesar A11323
      26-37-60 Alfa Aesar
      [H35703]
      3 Alfa Aesar A11323
      36/37/38 Alfa Aesar
      [H35703]
      DANGER: FLAMMABLE, causes CNS effects, irritates skin & eyes Alfa Aesar A11323
      Feb-61 Alfa Aesar A11323
      H226-H335-H411 Alfa Aesar A11323
      IRRITANT Matrix Scientific 096907
      Irritant/Flammable SynQuest 1700-1-03
      P210-P261-P280-P303+P361+P353-P405-P501a Alfa Aesar A11323
      Safety glasses, good ventilation. Oxford University Chemical Safety Data (No longer updated) More details
      Warning Alfa Aesar A11323

    • First-Aid:

      Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately NIOSH OX6825000

    • Exposure Routes:

      inhalation, ingestion, skin and/or eye contact NIOSH OX6825000

    • Symptoms:

      Irritation eyes, skin, nose, throat, respiratory system; bronchitis; hypochromic anemia; headache, drowsiness, lassitude (weakness, exhaustion), dizziness, nausea, incoordination; vomiting, confusion;
      chemical pneumonitis (aspiration liquid) NIOSH OX6825000

    • Target Organs:

      Eyes, skin, respiratory system, central nervous system, blood NIOSH OX6825000

    • Incompatibility:

      Oxidizers, nitric acid NIOSH OX6825000

    • Personal Protection:

      Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation NIOSH OX6825000

    • Exposure Limits:

      NIOSH REL : TWA 25 ppm (125 mg/m 3 ) OSHA PEL ?: none NIOSH OX6825000
  • Gas Chromatography

    • Retention Index (Kovats):

      1020 (estimated with error: 55) NIST Spectra mainlib_228343, replib_2138, replib_20469, replib_20470
      947.5 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 40 C; CAS no: 108678; Active phase: OV-101; Carrier gas: He; Data type: Kovats RI; Authors: Chen, J.P.; Liang, X.M.; Zhang, Q.; Zhang, L.F., Prediction of GC retention values under various column temperature conditions from temperature programmed data, Chromatographia, 53(9/10), 2001, 539-547.) NIST Spectra nist ri
      952.2 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 60 C; CAS no: 108678; Active phase: OV-101; Carrier gas: He; Data type: Kovats RI; Authors: Chen, J.P.; Liang, X.M.; Zhang, Q.; Zhang, L.F., Prediction of GC retention values under various column temperature conditions from temperature programmed data, Chromatographia, 53(9/10), 2001, 539-547.) NIST Spectra nist ri
      955 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 28 m; Column type: Capillary; Heat rate: 4.5 K/min; Start T: 50 C; End T: 270 C; Start time: 1 min; CAS no: 108678; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Nagalakshmi, M.A.H.; Thangadurai, D.; Anuradha, T.; Pullaiah, T., Essential oil constituents of Melia dubia, a wild relative of Azadirachta indica growing in the Eastern Ghats of Peninsular India, Flavour Fragr. J., 16, 2001, 241-244.) NIST Spectra nist ri
      953.33 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Start T: 60 C; CAS no: 108678; Active phase: HP-101; Carrier gas: H2; Phase thickness: 0.2 um; Data type: Kovats RI; Authors: Garay, F., Application of a flow-tunable, serially coupled gas chromatographic capillary column system for the analysis of complex mixtures, Chromatographia Sup., 51, 2000, s108-s120.) NIST Spectra nist ri
      963.8 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: OV-1; Data type: Kovats RI; Authors: Zhu, X.; Zhang, L.; Chen, J.; Wang, L.; Che, X., The application quantitative structure-retention relationship of GC to aid MS qualitative analysis, Chin. J. Chromatogr., 17(4), 1999, 351-353.) NIST Spectra nist ri
      961.8 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.2 mm; Column length: 100 m; Column type: Capillary; Description: 5C(10min)=>5C/min=>50C(48min)=>1.5C/min=>195C(91min); CAS no: 108678; Active phase: Petrocol DH-100; Carrier gas: He; Data type: Kovats RI; Authors: Haagen-Smit Laboratory, Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22.) NIST Spectra nist ri
      972.1 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 100 m; Column type: Capillary; Start T: 80 C; CAS no: 108678; Active phase: CP Sil 2; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Estel, D.; Mohnke; Biermans; Rotzsche, The analysis of C4-C11 hydrocarbons in naphtha and reformate with a new apolar fused silica column, J. Hi. Res. Chromatogr., 18, 1995, 403-412.) NIST Spectra nist ri
      976.1 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.5 mm; Column length: 20 m; Column type: Capillary; Start T: 150 C; CAS no: 108678; Active phase: OV-101; Data type: Kovats RI; Authors: Cha, K.-W.; Lee, D.-J., Prediction of retention indices of various compounds in gas-liquid chromatography, J. Korean Chem. Soc., 38(2), 1994, 108-120.) NIST Spectra nist ri
      981.3 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.5 mm; Column length: 20 m; Column type: Capillary; Start T: 180 C; CAS no: 108678; Active phase: OV-101; Data type: Kovats RI; Authors: Cha, K.-W.; Lee, D.-J., Prediction of retention indices of various compounds in gas-liquid chromatography, J. Korean Chem. Soc., 38(2), 1994, 108-120.) NIST Spectra nist ri
      969 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: -40 C for 12 min; -40 – 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 – 220 C at 20 deg/min; hold 220 C for 2 min; CAS no: 108678; Active phase: DB-1; Carrier gas: He; Phase thickness: 1.0 um; Data type: Kovats RI; Authors: Hoekman, S.K., Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions, J. Chromatogr., 639, 1993, 239-253., Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column diameter: 0.23 mm; Column length: 100 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: Squalane; Carrier gas: N2; Data type: Kovats RI; Authors: Engewald, W.; Wennrich, L., Molekulstruktur und Retentionsverhalten. VIII. Zum Retentionsverhalten hoherer Alkylbenzole bei der Gas-Verteilungs-Chromatographie, Chromatographia, 9(11), 1976, 540-547., Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 3 m; Column type: Packed; Start T: 100 C; CAS no: 108678; Active phase: Squalane; Carrier gas: H2; Substrate: Silanized white support (80-100 mesh); Data type: Kovats RI; Authors: Hongwei, Z.; Zhide, H., Utilization of total solubility parameter for calculating retention indices of alkylbenzenes, Chromatographia, 33(11/12), 1992, 575-580., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: OV-101; Data type: Kovats RI; Authors: Dimov, N.; Mekenyan, Ov., Quantitative Relationships Between the Structure of Alkylbenzenes and Their Gas Chromatographic Retention on Stationary Phasses with Different Polarity, J. Chromatogr., 471, 1989, 227-236.) NIST Spectra nist ri
      952 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Start T: 60 C; CAS no: 108678; Active phase: HP-1; Carrier gas: N2; Data type: Kovats RI; Authors: Zhang, M.J.; Li, S.D.; Chen, B.J., Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions, Chromatographia, 33(3/4), 1992, 138-146.) NIST Spectra nist ri
      962 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: HP-1; Carrier gas: N2; Data type: Kovats RI; Authors: Zhang, M.J.; Li, S.D.; Chen, B.J., Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions, Chromatographia, 33(3/4), 1992, 138-146., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 278 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: OV-101; Carrier gas: H2; Data type: Kovats RI; Authors: Matisova, E.; Rukriglova, M.; Krupcik, J.; Kovacicova, E.; Holotik, S., Identification of alkylbenzenes up to C12 by capillary gas chromatography and combined gas chromatography-mass spectrometry. I. OV-101 as stationary phase, J. Chromatogr., 455, 1988, 301-309.) NIST Spectra nist ri
      962.4 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: OV-1; Data type: Kovats RI; Authors: Engewald, W.; Maurer, T., Enhanced possibilities for identification by the use of series-coupled capillary gas chromatographic columns. I. General exposition and application of the retention index concept, J. Chromatogr., 520, 1990, 3-13.) NIST Spectra nist ri
      967.3 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Start T: 120 C; CAS no: 108678; Active phase: OV-1; Data type: Kovats RI; Authors: Engewald, W.; Maurer, T., Enhanced possibilities for identification by the use of series-coupled capillary gas chromatographic columns. I. General exposition and application of the retention index concept, J. Chromatogr., 520, 1990, 3-13.) NIST Spectra nist ri
      963 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.20 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: OV-101; Carrier gas: He; Data type: Kovats RI; Authors: Matisova, E.; Kovacicova, E.; Ha, P.T.; Kolek, E.; Engewald, W., Identification of alkylbenzenes up to C12 by capillary gas chromatography-mass spectrometry. II. Retention indices on OV-101 columns and retention-molecular structure correlations, J. Chromatogr., 475, 1989, 113-123., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 278 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: OV-101; Carrier gas: H2; Data type: Kovats RI; Authors: Matisova, E.; Rukriglova, M.; Krupcik, J.; Kovacicova, E.; Holotik, S., Identification of alkylbenzenes up to C12 by capillary gas chromatography and combined gas chromatography-mass spectrometry. I. OV-101 as stationary phase, J. Chromatogr., 455, 1988, 301-309., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.30 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Gerasimenko, V.A.; Nabivach, V.M., Relationship between molecular structure and gas chromatographic retention of alkylbenzenes C8-C1 2 on polydimethylsiloxane, Zh. Anal. Khim., 37, 1982, 110-116.) NIST Spectra nist ri
      975 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 3 m; Column type: Packed; Start T: 150 C; CAS no: 108678; 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. Z. Wilhelm-Pieck-Univ. Rostock Math. Naturwiss. Reihe, 33, 1984, 6-9.) NIST Spectra nist ri
      952.7 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.264 mm; Column length: 60 m; Column type: Capillary; Start T: 60 C; CAS no: 108678; Active phase: DB-1; Data type: Kovats RI; Authors: Lubeck, A.J.; Sutton, DL., Kovats retention indices of selected hydrocarbons through C10 on bonded phase fused silica capillaries, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 6, 1983, 328-332.) NIST Spectra nist ri
      953.1 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.259 mm; Column length: 60 m; Column type: Capillary; Start T: 60 C; CAS no: 108678; Active phase: DB-1; Phase thickness: 1 um; Data type: Kovats RI; Authors: Lubeck, A.J.; Sutton, DL., Kovats retention indices of selected hydrocarbons through C10 on bonded phase fused silica capillaries, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 6, 1983, 328-332.) NIST Spectra nist ri
      956.2 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Start T: 70 C; CAS no: 108678; Active phase: SE-30; Carrier gas: N2; Data type: Kovats RI; Authors: Toth, T., Use of capillary gas chromatography in collecting retention and chemical information for the analysis of complex petrochemical mixtures, J. Chromatogr., 279, 1983, 157-165.) NIST Spectra nist ri
      960 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.5 mm; Column length: 100 m; Column type: Capillary; Start T: 80 C; CAS no: 108678; Active phase: SE-30; Data type: Kovats RI; Authors: Bredael, P., Retention indices of hydrocarbons on SE-30, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 5, 1982, 325-328., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.5 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 170 C; Start time: 3 min; CAS no: 108678; Active phase: SE-30; Carrier gas: He; Data type: Kovats RI; Authors: Greenberg, M.J., Characterization of meat and bone meal flavor volatiles, J. Agric. Food Chem., 29, 1981, 1276-1280.) NIST Spectra nist ri
      972 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 1 m; Column type: Packed; Start T: 100 C; CAS no: 108678; Active phase: Squalane; Carrier gas: He; Substrate: Chromaton N-AW-HMDS; Data type: Kovats RI; Authors: Nabivach, V.M.; Kirilenko, A.V., Relationship between the gas chromatographic behaviour and the molecular structure of hydrocarbon samples and various stationary phases. Part II. Correlation between the retention index, physicochemical properties and molecular structure, Chromatographia, 13(2), 1980, 93-100., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.5 mm; Column length: 100 m; Column type: Capillary; Start T: 130 C; CAS no: 108678; Active phase: SE-30; Data type: Kovats RI; Authors: Bredael, P., Retention indices of hydrocarbons on SE-30, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 5, 1982, 325-328.) NIST Spectra nist ri
      968 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 100 m; Column type: Capillary; Start T: 106 C; CAS no: 108678; Active phase: Squalane; Carrier gas: He; Data type: Kovats RI; Authors: Kugucheva, E.E.; Mashinsky, V.I., Retention Indices of Aromatic Hydrocarbons on Capillary Columns with Squalan and Polyphenyl Ether, Zh. Anal. Khim. (Rus), 38(11), 1983, 2023-2026., Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 6 m; Column type: Packed; Start T: 120 C; CAS no: 108678; Active phase: Squalane; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Bonastre, J.; Grenier, P., Contribution a l’etude de la polarite des phases stationnaires en chromatographie gas-liquide. I. Calcul des coefficients d’activite relatifs et des indices de retention de quelques hydrocarbures aromatiques, Bull. Soc. Chim. Fr., 4, 1967, 1395-1405., Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: Squalane; Data type: Kovats RI; Authors: Nabivach, V.M.; Vasiliev, E.E.E., Correlation dependencies of GC retention indices from physical chemical properties and structures of aromatic hydrocarbons, Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol., 30, 1987, 72-75., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.30 mm; Column length: 50 m; Column type: Capillary; Start T: 120 C; CAS no: 108678; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Gerasimenko, V.A.; Nabivach, V.M., Relationship between molecular structure and gas chromatographic retention of alkylbenzenes C8-C1 2 on polydimethylsiloxane, Zh. Anal. Khim., 37, 1982, 110-116.) NIST Spectra nist ri
      974 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 6 m; Column type: Packed; Start T: 140 C; CAS no: 108678; Active phase: Squalane; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Bonastre, J.; Grenier, P., Contribution a l’etude de la polarite des phases stationnaires en chromatographie gas-liquide. I. Calcul des coefficients d’activite relatifs et des indices de retention de quelques hydrocarbures aromatiques, Bull. Soc. Chim. Fr., 4, 1967, 1395-1405., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.30 mm; Column length: 50 m; Column type: Capillary; Start T: 140 C; CAS no: 108678; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Gerasimenko, V.A.; Nabivach, V.M., Relationship between molecular structure and gas chromatographic retention of alkylbenzenes C8-C1 2 on polydimethylsiloxane, Zh. Anal. Khim., 37, 1982, 110-116.) NIST Spectra nist ri
      953 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 110 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 35 C; End T: 200 C; CAS no: 108678; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.20 um; Data type: Kovats RI; Authors: Hayes, P.C., Jr.; Pitzer, E.W., Characterizing petroleum- and shale-derived jet fuel distillates via temperature-programmed Kovats indices, J. Chromatogr., 253, 1982, 179-198.) NIST Spectra nist ri
      963.3 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 108678; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Gerasimenko, V.A.; Kirilenko, A.V.; Nabivach, V.M., Capillary gas chromatography of aromatic compounds found in coal tar fractions, J. Chromatogr., 208, 1981, 9-16.) NIST Spectra nist ri
      967.9 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 120 C; CAS no: 108678; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Gerasimenko, V.A.; Kirilenko, A.V.; Nabivach, V.M., Capillary gas chromatography of aromatic compounds found in coal tar fractions, J. Chromatogr., 208, 1981, 9-16.) NIST Spectra nist ri
      973.5 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 140 C; CAS no: 108678; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Gerasimenko, V.A.; Kirilenko, A.V.; Nabivach, V.M., Capillary gas chromatography of aromatic compounds found in coal tar fractions, J. Chromatogr., 208, 1981, 9-16.) NIST Spectra nist ri
      959 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.5 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 170 C; Start time: 3 min; CAS no: 108678; Active phase: SE-30; Carrier gas: He; Data type: Kovats RI; Authors: Greenberg, M.J., Characterization of meat and bone meal flavor volatiles, J. Agric. Food Chem., 29, 1981, 1276-1280.) NIST Spectra nist ri
      957 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.50 mm; Column length: 150 m; Column type: Capillary; Start T: 60 C; CAS no: 108678; Active phase: OV-1; Carrier gas: He; Data type: Kovats RI; Authors: Nijs, H.H.; Jacobs, P.A., On-Line Single Run Analysis of Effluents from a Fischer-Tropsch Reactor, J. Chromatogr. Sci., 19, 1981, 40-45.) NIST Spectra nist ri
      1000 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 20 ft; Column type: Packed; Start T: 130 C; CAS no: 108678; Active phase: SE-30; Carrier gas: N2; Substrate: Chrom W; Data type: Kovats RI; Authors: Mitra, G.D.; Mohan, G.; Sinha, A., Advances in the utilization of the retention index system for characterizing hydrocarbons in complex mixtures by gas chromatography, J. Chromatogr., 99, 1974, 215-230., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 20 ft; Column type: Packed; Start T: 140 C; CAS no: 108678; Active phase: SE-30; Carrier gas: N2; Substrate: Chrom W; Data type: Kovats RI; Authors: Mitra, G.D.; Mohan, G.; Sinha, A., Advances in the utilization of the retention index system for characterizing hydrocarbons in complex mixtures by gas chromatography, J. Chromatogr., 99, 1974, 215-230.) NIST Spectra nist ri
      988 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 20 ft; Column type: Packed; Start T: 110 C; CAS no: 108678; Active phase: SE-30; Carrier gas: N2; Substrate: Chrom W; Data type: Kovats RI; Authors: Mitra, G.D.; Mohan, G.; Sinha, A., Advances in the utilization of the retention index system for characterizing hydrocarbons in complex mixtures by gas chromatography, J. Chromatogr., 99, 1974, 215-230.) NIST Spectra nist ri
      990 (Program type: Isothermal; Col

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      • Aim at least 500 characters
      Question
      What is the right structure for an essay
      Answer
      A paragraph is a related group of sentences that develops one main idea. Each paragraph in the body of the essay should contain:
      • a topic sentence that states the main or controlling idea
      • supporting sentences to explain and develop the point you’re making
      • evidence from your reading or an example from the subject area that supports your point
      • analysis of the implication/significance/impact of the evidence finished off with a critical conclusion you have drawn from the evidence.