An attempt is made to achieve a continuous enrichment of rare-earth metal ions from aqueous solutions in a microflow device by applying magnetic forcing. An aqueous solution containing holmium(III) ions is pumped through a small channel which was exposed to a strong inhomogeneous magnetic field. At the outflow, the near- and far-field parts of the flow are separated and analyzed using UV-Vis spectroscopy. The relative change of ion concentration is determined from the measured absorbance. Results are reported for three different types of flow cells at different flow rates and magnetic field strengths and for a cascaded application of cells. The change of concentration is found to be small, and no clear trend can currently be stated due to the error margin of the concentration measurement.

试图通过施加磁力来实现在微流装置中从水溶液中连续富集稀土金属离子。含有containing（III）离子的水溶液被泵送通过一个小的通道，该通道暴露于强非均匀磁场中。在流出处，分离流的近场部分和远场部分，并使用UV-Vis光谱分析。离子浓度的相对变化由测得的吸光度确定。报告了三种不同类型的流通池在不同流速和磁场强度下的结果，以及级联应用流通池的结果。发现浓度的变化很小，并且由于浓度测量的误差范围，目前尚无法确定明确的趋势。