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  • Title: Ion release from Ni-Cr-Mo and Co-Cr-Mo casting alloys.
    Author: Geis-Gerstorfer J, Sauer KH, Pässler K.
    Journal: Int J Prosthodont; 1991; 4(2):152-8. PubMed ID: 1781877.
    Abstract:
    The substance loss from four commercially available Ni-Cr-Mo and four Co-Cr-Mo alloys was examined using a solution of 0.1 mol/L lactic acid and 0.1 mol/L sodium chloride. Dissolved ions were analyzed over a 5-week period using atomic absorption spectroscopy. The results revealed a considerable range of corrosion rates among the Ni-Cr-Mo alloys, with average values after 35 days between 0.54 and 3,261 micrograms/cm2, while the distribution of values for the Co-Cr-Mo alloys was not as wide--between 0.43 and 34.9 micrograms/cm2.
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