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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 63 (1951), S. 457-460 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Papierchromatogramme, welche radioaktive Isotope enthalten, lassen sich durch ihre Wirkung auf Photoschichten sichtbar machen. Die Versuchstechnik und einige bisher erzielte Erfolge der Autoradiochromatographie werden geschildert.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2014-04-23
    Description: A suite of near-identical magnetite nano-dot samples produced by electron-beam lithography, have been used to test the thermomagnetic recording fidelity of particles in the 74 to 333 nm size range; the grain size range most commonly found in rocks. In addition to controlled grain-size, the samples had identical particle spacings, meaning that inter-grain magnetostatic interactions could be controlled. Their magnetic hysteresis parameters were indicative of particles thought not to be ideal magnetic recorders; however, the samples were found to be excellent thermomagnetic recorders of the magnetic field direction. They were also found to be relatively good recorders of the field intensity in a standard palaeointensity experiment. The samples' intensities were all within ˜15 % of the expected answer and the mean of the samples within 3% of the actual field. These non-ideal magnetic systems have been shown to be reliable records of the geomagnetic field in terms of both direction and intensity even though their magnetic hysteresis characteristics indicate less than ideal magnetic grains.
    Electronic ISSN: 1525-2027
    Topics: Chemistry and Pharmacology , Geosciences , Physics
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