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. Author manuscript; available in PMC: 2021 Aug 24.
Published in final edited form as: Environ Int. 2020 Nov 29;146:106284. doi: 10.1016/j.envint.2020.106284

Table 1.

The relative abundance of solid-phase MnII, MnIII, and MnIV within soil samples collected from multiple depths in 2017 and from the 0–3 cm depth in 2015 as determined by Mn K-edge XANES.

Sample Mn K-edg e XANES
MnII MnIII MnIV AMON
Rel. abundance (%)*
2015 (0–3 cm) 52 32 16 2.626
2017 (0–3 cm) – R1 34 33 33 2.992
2017 (0–3 cm) – R2 36 48 15 2.789
2017 (30–35 cm) – R1 55 24 21 2.668
2017 (30–35 cm) – R2 77 17 6 2.290

AMON = Average Mn oxidation number; R1: Replicate 1; R2: Replicate 2.

*

Relative abundances determined using linear combination fitting.