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Table 4 Adulterants found in the samples and their content (by percentage)

From: First drug-checking study at an electronic festival and fentanyl detection in the central region of Mexico

Adulterants/Substituents

n

[Range]

(Mean ± s.d.)

MDEA

15

[15–50.8]

28.7 ± 10.3

Venlafaxine

10

[13.1–24.1]

19.1 ± 3

MDA

5

[38.5–63.7]

49.2 ± 10.3

Meth

3

[14.2–100]

58.8 ± 43

MDPA

3

[9.4–29]

18 ± 8.2

Desoxyephedrine

2

[9.9–23.4]

16.7 ± 9.5

DMT

2

[17–61.4]

39.3 ± 31.5

Lactose

2

[40.9–58.5]

49.7 ± 12.4

Benzocaine

1

100

 

Caffeine

1

43.0

 

Hydroxyamphetamine

1

9.0

 

Methyl cellulose

1

26

 

Pentoxifylline

1

21.0

 

Rubber carbon

1

66.9

 

Sodium salts

1

46.6

 
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Harm Reduction Journal

ISSN: 1477-7517