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首页> 外文会议>DBG Band 102 Heft 1 2003; Workshop Kommission VII zusammen mit der Bodenkundlichen Gesellschaft der Schweiz und Workshop Kommission VIII 'Eigenschaften, Systematik und Problematik subhydrischer und semi-subhydrischer Boden' und Tagung der Deutschen Boden >Abiotic Binding of Naturally Occurring Phenols and Their Transformation Products in Soil
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Abiotic Binding of Naturally Occurring Phenols and Their Transformation Products in Soil

机译：天然存在的苯酚及其在土壤中的转化产物的非生物结合

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摘要

Naturally occurring monomeric phenols are ubiquitous in soil and considered to be precursors of humic substances. Though the concentration of these phenols in soil solution is very low, due to their continuous input, they may play an important role in the stabilization of carbon in soil. However, the mechanisms for their stabilization, in which both abiotic and biotic processes could be involved, are still unclear. In order to understand the role of soil abiotic parameters in the stabilization process of phenols, we investigated the sorption of natural monomeric phenols on autoclaved or calcined soil and on a soil humic acid fraction. The phenols studied were ring-labelled with ~(13)C-and ~(14)C-isotopes, and listed in Fig. 1. All labelled phenols were chemically synthesized in our laboratory.
机译：天然存在的单体酚在土壤中普遍存在，被认为是腐殖质的前体。尽管这些酚在土壤溶液中的浓度很低，但由于它们的连续输入，它们可能在稳定土壤中的碳方面起重要作用。但是，尚不清楚其可能涉及非生物和生物过程的稳定机制。为了了解土壤非生物参数在酚稳定过程中的作用，我们研究了高压灭菌或煅烧土壤以及腐殖酸组分对天然单体酚的吸附。研究的酚用〜（13）C-和〜（14）C同位素进行环标记，并列于图1中。所有标记的酚均在我们的实验室中化学合成。

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