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Table 6 Concentrations in the foil 1-1, thickness 450 µm, determined by: (a) µXRF, (b) ICP-MS

From: Analysis of trace metal distribution in plants with lab-based microscopic X-ray fluorescence imaging

Foil

1-1

K [mg kg−1]

Ca [mg kg−1]

Mn [mg kg−1]

Fe [mg kg−1]

Ni [mg kg−1]

Cu [mg kg−1]

Zn [mg kg−1]

µXRF

1119

1444

182

265

1161

276

52,763

ICP-MS

1091

1378

167

241

1158

244

52,207

RSE  %

1.27

2.34

4.30

4.74

0.13

6.15

0.53

  1. The relative standard error percentage (SE/mean %, with n = 2 and SE = STDEV/sqrt(n)) shows the difference between the µXRF result and the ICP-MS
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Plant Methods

ISSN: 1746-4811