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Table 3 Accuracy of elemental concentrations in certified reference material of bovine muscle (CRM 8414) measured after micro-scaled digestion.

From: Micro-scaled high-throughput digestion of plant tissue samples for multi-elemental analysis

Element

Certified reference concentration μg g-1

Sample quantity, mg

  

1

2

5

10

15

20

  

Accuracy (% of certified reference concentration)

K

15170 ± 370

95 ± 3

94 ± 3

95 ± 2

103 ± 1

102 ± 1

104 ± 1

P

8360 ± 450

101 ± 0.5

101 ± 0.6

101 ± 0.5

97 ± 1

95 ± 1

96 ± 2

S

7950 ± 410

121 ± 2

91 ± 0.4

91 ± 0.3

97 ± 1

96 ± 1

96 ± 2

Na

2100 ± 80

98 ± 6

91 ± 3

99 ± 3

119 ± 9

120 ± 8

112 ± 4

Mg

960 ± 95

99 ± 0.7

103 ± 0.6

100 ± 0.8

107 ± 1

107 ± 1

109 ± 2

Ca

145 ± 20

110 ± 9

110 ± 10

117 ± 2

n.d.

n.d.

n.d.

Zn

142 ± 14

98 ± 4

95 ± 4

100 ± 2

105 ± 1

104 ± 2

105 ± 3

Fe

71.2 ± 9.2

99 ± 4

95 ± 10

98 ± 2

101 ± 2

100 ± 2

100 ± 3

Cu

2.84 ± 0.45

109 ± 3

91 ± 3

102 ± 3

95 ± 2

95 ± 0

98 ± 3

Mo

0.08 ± 0.06

175 ± 34

131 ± 14

105 ± 5

n.d.

n.d.

n.d.

Se

0.076 ± 0.01

108 ± 6

97 ± 4

102 ± 2

n.d.

n.d.

n.d.

  1. Values are means ± SE (n = 4).