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Figure 1
Simple linear regression fits between ICP-MS and SR-µXRF average elemental concentrations (a) As, (b) Cu, (c) K, (d) Mn, (e) S and (f) Zn in rice grains. The shaded region indicates the 95% confidence interval for the best-fit line. The dashed lines indicate the 95% prediction interval for the best-fit line. For K and Cu, n = 29; for all other elements, n = 50.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 30| Part 2| March 2023| Pages 407-416
https://doi.org/10.1107/S1600577523000747
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