Eigencolloid

Eigencolloid is a term derived from the German language (eigen: own) and used to designate colloids made of pure phases. Most often such colloids are formed by the hydrolysis of heavy metals cations or radionuclides, such as, e.g., Tc(OH)₄, Th(OH)₄, U(OH)₄, Pu(OH)₄, or Am(OH)₃. Colloids have been suspected for the long-range transport of plutonium on the Nevada Test Site.

See also

• Cations hydrolysis
• Colloid-facilitated transport
• Colloidal Silver

References

• Altmaier, M.; Neck, V.; Fanghänel, T. (2004). "Solubility and colloid formation of Th (IV) in concentrated NaCl and MgCl₂ solution". Radiochimica Acta. 92 (9–11): 537–543. doi:10.1524/ract.92.9.537.54983.

• Breynaert, E.; Maes, A. (2005). "Column precipitation chromatography: An approach to quantitative analysis of eigencolloids". Analytical Chemistry. 77 (15): 5048–5054. doi:10.1021/ac050546+. PMID 16053321.

• Breynaert E. (2008). PhD Thesis. Catholic University of Leuven. Formation, stability and applications of eigencolloids of technetium.
• Marquardt, C. M.; Seibert, A.; Artinger, R.; Denecke, M. A.; Kuczewski, B.; Schild, D.; Fanghänel T. (2004). "The redox behaviour of plutonium in humic-rich groundwater". Radiochimica Acta. 92 (9–11): 617–623. doi:10.1524/ract.92.9.617.55007.

• Neck, V.; Altmaier, M.; Fanghänel, T. (2007). "Solubility of plutonium hydroxides/hydrous oxides under reducing conditions and in the presence of oxygen". Comptes Rendus Chimie. 10 (10–11): 959–977. doi:10.1016/j.crci.2007.02.011.