For preparing sections of biological specimens with a microtome, the samples must be embedded in a suitable medium. For electron microscopy SERVA offers a comprehensive range of embedding media, which can be used for a broad variety of specimens.
Permanent specimens in histology/light microscopy are prepared by embedding in non-aqueous or aqueous media. Many of the traditional embedding media contain hazardous chemicals like xylene or toluol. SERVA offers for common embedding media safe alternatives without solvents, phenol or other compounds.