DNA was adsorbed predominantly by dehydration effects and hydrogen bonding on organic clays and kaolinite and 43.3-65.2% of DNA was adsorbed on inorganic clays and goethite through ligand exchange.

　
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  • 在含有機質(zhì)粘粒和高嶺石表面；DNA可能主要通過(guò)脫水和氫鍵作用；而在去有機質(zhì)粘粒和針鐵礦表面；DNA主要通過(guò)配位交換吸附；占43.；3-65
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