Oxygen Permeability of Methemoglobin Solutions Soaked in Millipore Filters

  • L. Hoofd
  • A. Lamboo
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 191)


For the measurement of gas diffusion through liquids, Millipore filters are an interesting and easy tool. They keep the fluid in place, and layer thickness can be determined precisely and easily. We soaked Millipore type SM filters with solutions containing 1.66 mmol/1 methemoglobin to measure the oxygen permeability at 25° C, and compared the results with former measurements in liquid layers. Data scattered between 1.0 and 1.5 10-11 mol • m-1 • kPa-1 • sec-1 and a decrease with increasing KCl concentration, as found for liquid layers, could neither be confirmed nor rejected. Nitrogen/oxygen permeability ratio of 0.465 ± 0.016 SE was in agreement with literature data.


Oxygen Partial Pressure Liquid Layer Oxygen Electrode Millipore Filter Oxygen Permeability 
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Copyright information

© Plenum Press, New York 1985

Authors and Affiliations

  • L. Hoofd
    • 1
  • A. Lamboo
    • 1
  1. 1.Department of PhysiologyUniversity of NijmegenNijmegenThe Netherlands

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