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. 2022 Oct 25;12:17885. doi: 10.1038/s41598-022-22683-2

Figure 4.

Figure 4

SEM images of lead particles from CSTR experiments after reactions with (a, b) orthophosphate-tripolyphosphate, (c, d) orthophosphate-trimetaphosphate, and (e, f) orthophosphate-hexametaphosphate at pH 7.5 and DIC 5 mg C L−1.