Research in Experimental Medicine

, Volume 164, Issue 2, pp 97–109 | Cite as

O2-Löslichkeit in Fluorocarbonen

  • R. Zander
Article

Zusammenfassung

Für zwei der zur Zeit gebräuchlichsten Fluorocarbone, Perfluortributylamin (FC 43, 3M Comp.) und Perfluortetrahydrobutylfuran (FC 75, 3M Comp.), wurden die O2-Löslichkeitskoeffizienten bei Temperaturen von 10 bis 50°C nach Äquilibrierung mit Gasen bekannten Sauerstoffpartialdruckes im manometrischen Apparat nach Van Slyke ermittelt. Die Ergebnisse von 300 Bestimmungen zeigen, daß das Henry-Daltonsche Gesetz für die O2-Löslichkeit in FC 43 und FC 75 nicht erfüllt ist. Die Meßwerte werden zur Konstruktion von zwei Nomogrammen verwendet, die es erlauben, bei bekanntem O2-Partialdruck und bekannter Temperatur die O2-Konzentration der Fluorocarbone direkt in Volumenprozent abzulesen sowie den Bunsenschen Löslichkeitskoeffizienten (ml O2/ml atm) für Temperaturen von 10 bis 50°C auf einfache Weise zu bestimmen.

Schlüsselwörter

O2-Löslichkeit Fluorocarbone 

O2 solubility in fluorocarbon liquids

Summary

O2 solubility coefficients at temperatures from 10 to 50°C were determined for those two fluorocarbons which are most current for the time being: perfluorotributylamine (FC 43, 3M Comp.) and perfluorotetrahydrobutylfuran (FC 75, 3M Comp.). After equilibration with gases of known oxygen partial pressure the measuring of O2 concentration was carried out with a manometric apparatus according to Van Slyke. The results of 300 determinations show that the Henry-Dalton law for O2 solubility is not fulfilled in FC 43 and FC 75. The measured values are used for the construction of two nomograms which allow to read the O2 concentration of the fluorocarbons directly in volume percent, if O2 partial pressure and temperature are known, and to determine easily the Bunsen solubility coefficient (ml O2/ml atm) for temperatures from 10 to 50°C.

Key words

O2 solubility Fluorocarbons 

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Copyright information

© Springer-Verlag 1974

Authors and Affiliations

  • R. Zander
    • 1
  1. 1.Physiologisches InstitutJohannes Gutenberg-UniversitätMainzBundesrepublik Deutschland

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