Abstract
Device (14) for conditioning a sample (12) to be analyzed, comprising a sample holder (20) defining a sample receiving volume (22), a sample heating assembly (24) (12) comprising a non-contact heating member of the sample (12) located outside the receiving volume (22) and an assembly (26) for applying a magnetic field in the receiving volume (22) comprising at least one source (100A to 100C) magnetic field disposed outside the sample holder (20); characterized in that the application assembly (26) of a magnetic field is adapted to generate a desired magnetic field in the receiving space (22), the application assembly (26) having means (102) ) for adjusting the intensity and the direction of the desired magnetic field generated in the reception space (22).