is capable of creating a magnetic field constituted by the sum of many persistent magnetic fields and of intensity considerably exceeding 1 49 teslas therefore in the present description the term magnet means all so called u201c hard permanent magnets u201d with high coercivity the permanent magnets used in the present invention are constituted by ferromagnetic and or paramagnetic materials the permanent magnets used in the present invention are made of natural magnetic minerals like magnetite cobalt nickel and rare earth elements like gadolinium or dysprosium in addition to the above mentioned natural magnets synthetic materials can be used like boron ceramic composite magnets alnico magnets ticoal magnets injection molded magnets and flexible magnets the preferred magnets in the present invention are those constituted by rare earth elements i e those belonging to the group of lanthanides to which samarium cobalt and neodymium iron boron magnets belong the power of the magnets and of the paramagnetic substances varies between 0 4 teslas and 1 49 teslas in order to enable an exhaustive understanding of the method of treatment of the present invention the devices in the present patent application will now be described in detail and are the following 1 the first device referred to as an immersion container 1 is constituted by at least one conventional container which is conveniently perforated by way of a plurality of openings 40 which are adapted a facilitate.