Table 5 Metal and metalloid concentration levels (μg/g) in reported literature

Smoked

-

-

45.03

-

3.344

-

7.889

14.34

-

-

0.501

14.39

21

716

2.92

124.04

981.18

0.75

3.13

21.1

34.27

0.71

0.6

0.72

1.13

Present study

Sniffing

-

15.6

-

2972

-

9.13

16

37

-

-

0.48

3.1

21

-

~3.8

~124.4

-

~0.47

~3.0

~28

~42

-

-

-

~0.78

30

-

-

-

2090

-

2.1

21

43

-

-

-

8.0

31

-

3.0

150

2323

0.4

-

-

46

-

-

-

-

32

1692

6.78

81.7

2046.67

0.95

5.42

14.33

36.87

0.85

0.56

0.43

2.81

Present study

Dipping

3599

20.17

120.02

3779.8

1.68

8.97

21.55

38.04

1.54

0.89

0.36

2.6

Present study

Chewing

-

6.97

-

853

-

2.37

42

56

-

-

0.38

8.38

29

-

~6.0

~174

~1100

~0.69

~1.5

~12

~28

~0.91

-

~0.8

~4.5

30

-

-

-

1050

-

1.1

11

20

-

-

-

4.5

31

-

6.3

127

1565

0.6

-

-

19

-

-

-

-

32

-

6.6

129

1703

0.75

-

-

18.5

-

-

-

-

33

461.14

3.55

40.08

520.59

0.23

3.75

16.05

27.42

BDL

0.44

BDL

1.52

Present study