TY - JOUR A1 - Martin, Tina A1 - Nordsiek, S. A1 - Weller, Andreas T1 - Low-frequency impedance spectroscopy of wood JF - Journal of research in spectroscopy N2 - The method of low-frequency impedance spectroscopy has been successfully applied in Earth sciences to characterize soils and rocks. The method uses the diagnosing power of complex electrical resistivity in a frequency range between 1 mHz and 1 kHz. In our study, the potential of this method has been explored for the investigation of wood. We observed remarkable differences in the resulting spectra of complex resistivity for different European and Tropical tree species. The data processing of the acquired low-frequency impedance spectra yields integrating parameters. The comparison of the integrating parameters with the mean pore diameter that has been separately determined for the tropical tree species indicates clear correlations. An additional investigation has revealed remarkable difference in the complex resistivity spectra between oil bearing and non-oil bearing sandal wood. This result and the relations between electrical parameters and structural parameters of wood indicate the prospective potential of low-frequency impedance spectroscopy. KW - Holz KW - Spektroskopie KW - ZfP KW - SIP KW - Nondestructive KW - Low-frequency impedance spectroscopy KW - Spectral induced polarization PY - 2015 DO - https://doi.org/10.5171/2015.910447 SP - 1 EP - 9 PB - IBIMA Publ. AN - OPUS4-34811 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -