Sample

Added

 (ng/ml^-1)

Found^a (ng/ml)

RSD (%)

Recovery (%)

t- test^b

F- value^b

Proposed

ICP-AES

Spinach

0

28.9

28.8

-

-

-

-

50

79.2

76.8

1.3

100.4

0.87

2.12

100

127.5

131.5

1.6

 98.9

1.11

2.60

Liver

0

29.1

29.0

-

-

-

-

75

105.6

111.7

1.1

101.4

0.78

1.93

150

177.4

185.3

1.4

 99.1

1.19

2.92

Meat

0

30.6

30.5

-

-

-

-

60

89.9

88.8

1.7

 99.2

0.96

2.13

120

212.0

154.7

1.5

101.0

1.10

2.54

Lotus (tree)

0

17.9

17.8

-

-

-

-

90

107.1

110.6

1.1

 99.3

1.23

3.18

180

200.2

192.3

1.5

101.2

1.15

2.78

Soil

0

18.3

18.1

-

-

-

-

80

99.5

95.6

1.4

101.2

1.24

3.19

160

177.3

180.9

1.2

 99.4

0.90

2.02

Blood

0

77.5

77.5

-

-

-

-

40

120.4

120.0

1.6

102.5

1.17

2.85

80

155.2

153.7

1.8

 98.5

1.64

3.47

Tap water

0

6.5

6.3

-

-

-

-

100

106.3

106.5

1.7

 99.8

0.82

1.99

200

208.6

203.1

1.5

101.0

1.09

2.47

Waste water

0

75.6

75.5

-

-

-

-

70

148.7

142.3

1.2

102.1

0.98

2.20

140

213.5

218.7

1.4

 99.0

1.24

3.11

River water

0.0

63.2

63.0

-

-

-

-

65

130.4

125.0

1.6

101.7

1.45

3.32

130

196.5

197.8

1.4

101.7

1.37

3.23