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. 2019 Jan 15;9:117. doi: 10.1038/s41598-018-36545-3

Figure 6.

Figure 6

pH measurements of an SBF solution containing a bare AZ31 alloy and after different coatings at different time intervals. (A) Bare alloy, (B) PD coated sample, (C) HF- PD coated sample, (D) Ag HF-PD sample, and (E) Au HF-PD sample.