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This article in SSSAJ

  1. Vol. 38 No. 4, p. 582-585
     
    Received: Oct 30, 1973
    Published: July, 1974


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doi:10.2136/sssaj1974.03615995003800040019x

Nitric Oxide Sorption by Calcareous Soils: III. Effects of Temperature and Lack of Oxygen on Capacity and Rate1

  1. R. J. Prather and
  2. S. Miyamoto2

Abstract

Abstract

The sorption of NO by oven-dry soils from dry air (relative humidity < 5%) containing a concentration of 1.5% NO by volume decreases exponentially with increasing temperature from 24 to 120C. From a moist stream (relative humidity > 95%), both NO and H2O sorption capacities and rates decrease with increasing temperature from 24 to 77C. The sorption capacity of NO relative to H2O changes little, while the relative sorption rate to that of H2O decreases markedly when the temperature increases from 24 to 36C but not for higher temperatures. The lack of gaseous oxygen severely inhibits the sorption of NO from both dry and moist nitrogen gas streams.

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