caa a22 4500 475807820 CHVBK 20180406123751.0 cr unu---uuuuu 170329e20000101xx s 000 0 eng 10.1007/BF02503622 doi (NATIONALLICENCE)springer-10.1007/BF02503622 Calibration specimens for measuring induced magnetic moments [Elektronische Daten] [A. Nul'man, V. Utkin] One usually measures the differential magnetic moment dM/dH in examining the magnetic parameters of specimens of natural media. It is suggested that spheres of ferrites with high permeability μr should be used for these purposes. The self-demagnetization effect for a sphere means that any change in μ in response to temperature, mechanical loading, or ageing does not influence the susceptibility of it, and therefore such specimens need to be certified only as regards volume. Stable calibration specimens improve the measurement accuracy considerably and eliminate the need for periodic checking. Kluwer Academic/Plenum Publishers, 2000 Nul'man A. aut Utkin V. aut Measurement Techniques Kluwer Academic Publishers-Plenum Publishers 43/1(2000-01-01), 78-82 0543-1972 43:1<78 2000 43 11018 https://doi.org/10.1007/BF02503622 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02503622 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Nul'man A. aut NATIONALLICENCE 700 1- Utkin V. aut NATIONALLICENCE 773 0- Measurement Techniques Kluwer Academic Publishers-Plenum Publishers 43/1(2000-01-01), 78-82 0543-1972 43:1<78 2000 43 11018 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer