| abstract |
A device for treating magnetizable or magnetically attractable particles (3) which are present in a liquid, comprising a holder (1) for one or more reaction vessel(s) (2) with the liquid containing the particles, at least two movably arranged permanent magnets (10,20), a drive unit (4) for moving the permanent magnets (10,20); with the permanent magnets (10,20) being arranged in pairs and opposite each other, and being movable in vertical direction (a,b), and the distance between the two permanent magnets (10,20) of a pair being dimensioned or adjustable such that a reaction vessel (2) can be positioned therebetween. |