Isotopes

Tea leaves

Poplar leaves

Recovery/%

RSD%

Detect limit

Red soybean

²³Na

39.8

44 ± 4

211

200 ± 10

90.5

8.6

20

12.5

²⁴Mg

1684

1700 ± 100

6513

6500 ± 300

99.0

8.3

20

1755

³⁹K

16,596

16,600 ± 600

13,916

13,800 ± 400

99.9

7.9

20

13,112

⁴⁴Ca

4332

4300 ± 200

18,330

18,100 ± 700

100

5.6

20

415

⁴⁷Ti

26.2

24 ± 3

21.2

20.4 ± 1.7

109

4.3

20

8.61

⁵²Cr

0.83

0.80 ± 0.02

0.55

0.55 ± 0.05

99.7

4.0

20

0.058

⁵⁵Mn

1284

1240 ± 40

45.0

45 ± 2

103

3.8

20

11.7

⁵⁶Fe

252

264 ± 10

255

274 ± 10

91.6

6.1

20

25.6

⁵⁹Co

0.19

0.18 ± 0.02

0.46

0.42 ± 0.02

96.5

3.1

2

0.069

⁶⁰Ni

5.03

4.6 ± 0.3

2.01

1.9 ± 0.2

112

4.6

10

3.85

⁶⁵Cu

20.3

17.3 ± 1.0

9.66

9.3 ± 0.5

111

3.7

10

5.72

⁶⁶Zn

30.8

26.3 ± 0.9

40.0

37 ± 1

114

4.6

10

24.1

⁷⁵As

0.24

0.28 ± 0.03

0.32

0.37 ± 0.06

85.7

5.4

2

0.011

⁸²Se

0.065

0.072

0.13

0.14 ± 0.01

89.3

5.0

20

0.015

⁸⁸Sr

13.5

15.2 ± 0.5

158

154 ± 5

91.8

3.0

2

4.74

⁹⁵Mo

0.035

0.038 ± 0.006

0.17

0.18 ± 0.01

92.1

2.8

2

1.68

¹⁰⁷Ag

0.016

0.018

0.012

0.013

88.8

1.9

10

<0.004

¹¹¹Cd

0.048

0.057 ± 0.008

0.32

0.32 ± 0.05

90.1

2.3

2

0.0059

¹¹⁸Sn

-

-

-

-

93.4

3.2

10

0.025

¹²¹Sb

0.051

0.056 ± 0.005

0.044

0.045 ± 0.005

91.1

2.9

1

0.013

¹³⁷Ba

59.2

58 ± 3

27.0

26 ± 2

102

1.7

10

2.75

⁵¹V

0.85

0.86

0.58

0.64

98.8

4.8

20

0.019

²⁰⁵Tl

-

-

-

-

94.9

2.1

1

0.0057

²⁰⁸Pb

4.11

4.4 ± 0.2

1.45

1.5 ± 0.2

93.4

3.2

1

0.025