大米GBW10010 (n = 3)

菠菜GBW10015 (n = 3)

茶叶GBW10016 (n = 3)

测定值

参考值

回收率(%)

测定值

参考值

回收率 (%)

测定值

参考值

回收率(%)

As

94 ± 3.6

102 ± 0.6

92

Cd

92 ± 2.5

87 ± 0.9

106

155 ± 2.0

150 ± 0.7

103

68.2 ± 0.5

62 ± 0.3

110

Hg

5.7 ± 1.5

5.3 ± 0.9

108

Pb

86 ± 3.7

80 ± 2.4

107

11229 ± 0.01

11100 ± 0.012

101

1452 ± 3.9

1500 ± 6.3

96