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Updated: Jun 28, 2025

Combined Size and Density Fractionation of Soils for Investigations of Organo-Mineral Interactions
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Combined Size and Density Fractionation of Soils for Investigations of Organo-Mineral Interactions

Published on: February 15, 2019

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沉积环境对页岩有机物质丰富的限制:从基本地质化学和多因素分析的见解

Xindi Shao1,2, Pengpeng Xu1,2, Zhenxue Jiang1,2

  • 1State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China.

ACS omega
|April 15, 2024
PubMed
概括

古生产力和古氧条件显著控制了页岩气形成中的有机物质丰富. 多因素分析 (MFA) 显示,这些因素对有机物积累有超过59%的贡献.

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相关概念视频

Extraction: Advanced Methods00:56

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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