About: Estimation of the Enthalpy of Vaporization and the Entropy of Vaporization for Pure Organic Compounds at 298.15 K and at Normal Boiling Temperature by a Group Contribution Method     Goto   Sponge   NotDistinct   Permalink

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  • A new group contribution method for estimating the enthalpy of vaporization at 298.15 K (dHV(298.15 K)) and at the normal boiling temperature (dHV(Tb)), as well as the entropy of vaporization at the normal boiling temperature (dSV(Tb)), of pure organic compounds has been developed. Large databases of critically assessed data have been used for group contribution calculations: data for 831 compounds have been used for estimations at 298.15 K, and data for 589 compounds have been used for estimations at the normal boiling temperature. Values obtained by the method developed here have been compared with estimations by the Ducros, Chickos, and Ma and Zhao group contribution methods and by empirical equations by Vetere. A statistical analysis of the regressed data has been also performed, indicating the confidence of the regressed parameters and other related information. The average relative errors (ARE) for the new method are as follows: for ¢HV(298.15 K), 2.2%; for ¢HV(Tb), 2.6%; and f
  • A new group contribution method for estimating the enthalpy of vaporization at 298.15 K (dHV(298.15 K)) and at the normal boiling temperature (dHV(Tb)), as well as the entropy of vaporization at the normal boiling temperature (dSV(Tb)), of pure organic compounds has been developed. Large databases of critically assessed data have been used for group contribution calculations: data for 831 compounds have been used for estimations at 298.15 K, and data for 589 compounds have been used for estimations at the normal boiling temperature. Values obtained by the method developed here have been compared with estimations by the Ducros, Chickos, and Ma and Zhao group contribution methods and by empirical equations by Vetere. A statistical analysis of the regressed data has been also performed, indicating the confidence of the regressed parameters and other related information. The average relative errors (ARE) for the new method are as follows: for ¢HV(298.15 K), 2.2%; for ¢HV(Tb), 2.6%; and f (en)
  • Byla vyvinuta nová příspěvková metoda Marrera a Ganiho pro odhad výparné entalpie při teplotách 25 °C a při normální teplotě varu a pro odhad výparné entropie při normální teplotě varu čistých organických látek. K určení parametrů byly použity velké databáze kriticky zhodnocených experimentálních dat. Získané výsledky byly porovnány s daty určenými užitím jiných příspěvkových metod: Ducrosovou, Chickosovou, a metodou Ma and Zhao a také empirickými rovnicemi Vetereho. K porovnání dat byl použit aparát matematické statistiky. Výsledky získané metodou Marrera a Ganiho byly následující: The průměrné relativní odchylky (ARE): pro odhad dHV(298.15 K), 2,2%; pro dHV(Tb), 2,6%; a pro dSV(Tb), 1,8%. Byla také určena chyba nězávislého souboru, čítajícího data pro 74 různých sloučenin, která nebyla použita pro určení parametrů. Tato chyba byla určena 2,5%. (cs)
Title
  • Estimation of the Enthalpy of Vaporization and the Entropy of Vaporization for Pure Organic Compounds at 298.15 K and at Normal Boiling Temperature by a Group Contribution Method
  • Odhad výparných entalpií a výparných entropií čistých organických látek při teplotě 25 °C a normální teplotě varu příspěvkovou metodou. (cs)
  • Estimation of the Enthalpy of Vaporization and the Entropy of Vaporization for Pure Organic Compounds at 298.15 K and at Normal Boiling Temperature by a Group Contribution Method (en)
skos:prefLabel
  • Estimation of the Enthalpy of Vaporization and the Entropy of Vaporization for Pure Organic Compounds at 298.15 K and at Normal Boiling Temperature by a Group Contribution Method
  • Odhad výparných entalpií a výparných entropií čistých organických látek při teplotě 25 °C a normální teplotě varu příspěvkovou metodou. (cs)
  • Estimation of the Enthalpy of Vaporization and the Entropy of Vaporization for Pure Organic Compounds at 298.15 K and at Normal Boiling Temperature by a Group Contribution Method (en)
skos:notation
  • RIV/44555601:13440/05:00003035!RIV07-MSM-13440___
http://linked.open.../vavai/riv/strany
  • 8436-8454
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...iv/cisloPeriodika
  • 22
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 520570
http://linked.open...ai/riv/idVysledku
  • RIV/44555601:13440/05:00003035
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • enthalpy of vaporization; entropy of vaporization; estimation methods; group contribution methods; organic compounds; mathematical statistics (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [037557B7B457]
http://linked.open...i/riv/nazevZdroje
  • Industrial and Engineering Chemistry Research
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 44
http://linked.open...iv/tvurceVysledku
  • Kolská, Zdeňka
  • Růžička, Vlastimil
  • Gani, Rafiqul
issn
  • 0888-5885
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http://localhost/t...ganizacniJednotka
  • 13440
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