Wasser, Abwasser

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Gammaspektrum nach Neutroneneinfang in Eu152(12,4a) und Niveauschema von Eu153

Using a source of Eu ₂ ¹⁵¹ O₃ the (n, γ) spectrum of Eu¹⁵² and Eu¹⁵³ was investigated by means of the Risø bent crystal spectrometer. A total of 57 transitions were fitted into a level scheme of Eu¹⁵³. The rotational bands of the Nilsson states 5/2⁺ [413], 5/2^? [532], and 3/2⁺ [411] were found up to the spin values 15/2, 13/2, and 11/2 respectively. The 13/2 member of the 3/2⁺ [411] band is suggested at 716.15 keV. The interpretation of these levels is confirmed by the comparison of the experimental branching ratios with theoretical predictions and by considerations concerning the spin dependent population of these levels.     

Specific heat of Nickel-Iron and Nickel-Cobalt alloys between 600° K and 1500° K

The -specific heat anomalies of ferromagnetic fcc Ni–Co and Ni–Fe alloys were investigated near the Curie temperatures. The magnetic contribution to the specific heat was found to be logarithmically divergent [c _M=log|T/T _c–1| ^A ] above the Curie temperature. The exponentA was composition dependent. Entropy and energy values associated with magnetic transions were determined experimentally and compared with theoretical predictions of the Heisenberg and Ising localized electron models obtained from series expansion calculations.     

Das papierchromatographische Verhalten der Hexachloroantimons?ure

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Bestimmung von Tellur in Urin

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