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Figure 3


Fig. 3. Secondary ion mass spectroscopy (SIMS) depth profiles of Zn following EDTA treatment. EDTA treatment results in significant decrease of Zn in the top 16 µm of the jaw surface compared with the values observed after Tris treatment. Measurements were taken in regions that were free of Br, and Zn counts were normalized to carbon to compensate for fluctuations in signal intensity throughout the course of analysis. Signal traces for both Zn isotopes are presented.





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