好氧海水中的氮/氩和氮同位素比率

Bruce B. Benson , Peter D.M. Parker
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引用次数: 54

摘要

讨论了影响海水中溶解气体浓度的各种因素。提出了一个表面平衡模型,并给出了验证该模型的结果,以确定溶解在海水中的氮是否具有生物和化学惰性。该方法以氩气为参比气体,以质谱仪为主要分析工具。得出的结论是,在±1%的范围内,该模型是适用的,氮是“保守的”。讨论了模型预测和实验结果之间的微小差异可能产生的影响。有一些证据表明,溶解气体中氮29/28的相对丰度可能比大气中的高大约万分之一。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nitrogen/argon and nitrogen isotope ratios in aerobic sea water

Various factors which influence the concentrations of gases dissolved in sea water are discussed. A surface equilibrium model is proposed, and results presented to test the model and to ascertain whether or not nitrogen dissolved in sea water is biologically and chemically inert. The method utilized argon as a reference gas, with a mass spectrometer as the primary analytical tool. The conclusion is reached that within ± 1 per cent the model is applicable and nitrogen is ‘conservative.’ The possible implications of apparent small differences between the predictions of the model and the experimental results are discussed. There is some evidence that the nitrogen 29/28 relative abundance in the dissolved gas may be greater than that in the atmosphere by approximately one part in 10,000.

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