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Table 5 Results of analysis of IAEA-359 cabbage CRM (IAEA)

From: Validation and measurement uncertainty evaluation of the ICP-OES method for the multi-elemental determination of essential and nonessential elements from medicinal plants and their aqueous extracts

Element

Certified content, μg g−1

Found contenta, μg g−1

Cd

0.115 to 0.125

0.116 ± 0.014

Cr

1.24 to 1.36

1.25 ± 0.088

Cu

5.49 to 5.85

5.44 ± 0.41

Fe

144.1 to 151.9

147 ± 4.53

Mn

31.3 to 32.5

32.4 ± 2.15

Ni

1.00 to 1.10

1.03 ± 0.094

Zn

37.9 to 39.3

37.8 ± 1.89

As

0.096 to 0.104

0.100 ± 0.012

Mg

2,110 to 2,210

2,114 ± 23.6

  1. aValues are expressed in microgram per gram dry weight and reported as average ± s; n = 5; 95% confidence level.