Complexation of Eu(III) with Borates

Borates are ubiquitous compounds in the environment (rocks, soils, natural waters) and are used in many applications. Thus, there are many sources for the release of borates in the environment. Another aspect is the occurrence of borates in salt formations, which is important concerning the search of a proper nuclear waste repository.
But although there is a relevance of borates the Ln(III)/An(III)-borate system is investigated insufficiently.
The investigations concentrated on the complexation between Eu(III) and borates in aqueous solution. First results show a small influence of borates on the Eu(III) speciation.