Experimental observations of radionuclide uptake by colloidal and particulate humic acids obtained from 14 soils collected worldwide

<p>The uptake and binding of six particle-reactive and/or redox-sensitive radionuclides (210Pb, 234Th, 7Be, 59Fe, 237Np and 233Pa) with different organic functionalities of three size fractions.</p>六种颗粒反应性及/或氧化还原敏感性放射性核素（radionuclides）——即210Pb、234Th、7Be、59Fe、237Np与233Pa——与三种粒径组分的不同有机官能团之间的摄取与结合。