The Concentration of Krypton in the Atmosphere—Its Revision after Half a Century

The Concentration of Krypton in the Atmosphere—Its Revision after Half a Century

During our attempt of the precise determination of trace gases in the atmosphere by using atmospheric krypton (Kr) as an internal standard, we noticed that the atmospheric Kr concentration of 1.14 ± 0.01 ppmv which had been quoted through half a century was different from the observation. The Kr con...

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Veröffentlicht in:Chemistry letters 2005-10, Vol.34 (10), p.1396-1397
Hauptverfasser: Aoki, Nobuyuki, Makide, Yoshihiro
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Makide, Yoshihiro
description During our attempt of the precise determination of trace gases in the atmosphere by using atmospheric krypton (Kr) as an internal standard, we noticed that the atmospheric Kr concentration of 1.14 ± 0.01 ppmv which had been quoted through half a century was different from the observation. The Kr concentration we obtained with three step concentration followed by GC/MS measurement was 1.099 ± 0.009 ppmv, about 4% lower than the currently used value.
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source Oxford University Press Journals All Titles (1996-Current)
title The Concentration of Krypton in the Atmosphere—Its Revision after Half a Century
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