Table 1 Samples and results

Reference

CTA OTL-1

CRM Oriental Tobacco Leaf (Bulgaria)

611 ± 41

2

31 ± 1

2

<LoD

1

127 ± 8

2

158

304 ± 3

2

25.9

CTA VTL-2

CRM Virginia Tobacco Leaf (Bulgaria)

1008 ± 39

2

54 ± 6

2

<LoD

1

256 ± 17

2

310

569 ± 59

2

30.8

1R4F

Research Cigarette typical of US low tar blends

465 ± 3

2

24 ± 4

2

<LoD

1

96 ± 2

2

120

209 ± 3

2

25.8

1R5F

Research Cigarette typical of US ultra-low tar blends

318 ± 10

2

37 ± 5

2

<LoD

1

78 ± 26

2

115

154 ± 8

2

36.2

GBW 08514

Chinese tobacco standard

656

1

26

1

30

1

112

1

168

310

1

25.6

GBW 08515

Chinese tobacco standard

429

1

23

1

<LoD

1

62

1

85

191

1

19.8

Samples

B1

Major US brand

443

1

39

1

<LoD

1

79

1

118

192

1

26.6

B2

Major UK brand

191

1

23

1

<LoD

1

39

1

62

113

1

32.5

B3

Major UK brand

317

1

21

1

<LoD

1

66

1

87

162

1

27.4

B4

Major UK brand

144

1

<LoD

1

<LoD

1

16

1

16

82

1

11.1

B5

Major Chinese brand

816

1

49

1

33

1

218

1

300

409

1

36.8

B6

Counterfeit with unusually high arsenic concentration

3914 ± 90

3

150 ± 15

4

45 ± 12

4

948 ± 36

4

1143

1791 ± 47

4

29.2

B7

Counterfeit with unusually high arsenic concentration

3504

1

176

1

116

1

846

1

1138

1777

1

32.5

B8

Counterfeit with high arsenic concentration

2339

1

120

1

42

1

487

1

649

1180

1

27.7