Preserving container, characterized in that a sample container (1) closable with a lid (2) is arranged in a storage container (3) provided with a sealing cover (4), in that the sample container (1) has separated cavities (5), in which sample carriers can be positioned without contacting any wall- and bottom of the sample container (1), and in that sample container (1) and lid (2) are made of diffusion permeable material and the storage container (3) as well as cover (4) are made of diffusion impermeable material.
