By Institute of Physical Chemistry, Bulgarian Academy of Sciences
Services: - Recording of paramagnetic particles with concentrations up to 10 -11 – 10 -12 M in solid and liquid phase substances. - Characterization of catalysts. Determination of the oxidation state of the transition metal ions and the way they interact with the surrounding environment. - Study of different “point” defects in solids. - Determination of the nature and relative concentration of natural, mechanical, thermal and radiation-generated free radicals in food and other materials. Study of kinetic changes in the EPR signal after sample treatment. - Identification of irradiated foods. - Determining the radical scavenging activity of natural products using a stable free radical. - Determining of dosimetric properties of substances. Determination of the soot, polycyclic aromatic hydrocarbons and aerosols content in the air. Pricelist - Recording a low resolution EPR spectra at room temperature – 25 BGN for sample count. - Recording EPR spectrum in a defined area of magnetic field with high resolution at room temperature – 41.67 BGN for sample count. - Recording of kinetic dependencies at room temperature – 16.67 BGN for a dependency point. - Recording a low resolution EPR spectrum at a temperature other than the room – 33.33 BGN for sample count. - Recording EPR spectrum in a defined area of magnetic field with high resolution at temperature other than the room – 50.00 BGN for sample count. - Recording of kinetic dependencies at temperatures other than the room – 25.00 BGN for a dependency point. - Recording of temperature dependencies – 41.67 BGN for a dependency point. Prices are free of VAT.
