Table 3 Average % recoveries for matrix-spiked controls analysed by ICP-SFMS (n = 5).

From: Novel metallomic profiling and non-carcinogenic risk assessment of botanical ingredients for use in herbal, phytopharmaceutical and dietary products using HR-ICP-SFMS

Element(s)

Average % recovery (n = 5)

0.2 µg L−1

1 µg L−1

5 µg L−1

15 µg L−1

40 µg L−1

Lithium (7Li)

116.5

105.3

110.4

107.8

105.8

Beryllium (9Be)

116.6

103.6

106.0

107.0

108.6

Molybdenum (95Mo)

113.0

89.3

88.9

91.8

97.1

Cadmium (111Cd)

114.2

96.4

101.1

100.4

97.4

Tin (118Sn)

105.7

95.2

94.2

93.7

94.9

Barium (137Ba)

109.2

92.4

88.9

90.6

93.0

Platinum (195Pt)

106.7

98.3

101.7

96.9

95.7

Mercury (202Hg)

121.0

99.1

103.6

96.9

92.5

Thallium (205Tl)

94.5

85.1

80.4

79.9

80.8

Lead (208Pb)

77.8

90.3

87.2

85.0

87.9

Bismuth (209Bi)

89.8

90.9

87.4

85.1

87.6

Titanium (47Ti)

108.5

92.2

92.9

89.3

89.9

Vanadium (51V)

109.1

94.6

90.7

90.2

89.5

Chromium (52Cr)

96.0

90.4

89.9

89.4

90.9

Cobalt (59Co)

104.2

96.4

91.0

89.7

92.8

Nickel (60Ni)a

–

100.5

93.1

89.1

91.6

Copper (63Cu)a

–

106.7

92.9

90.8

92.2

  1. aNickel and copper have LOQs of 0.25 µg L−1, which is above the lowest (0.2 µg L−1) control level, hence they have not been assessed at the 0.2 µg L−1 level.
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