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Levels of formaldehyde and acetaldehyde in Toombak samples compared to GothiaTek standards.
| Compound (aldehyde) | Pre- prepared Toombak | Omdurman ready to buy Toombak range | Khartoum North ready to buy Toombak range | GothiaTek standard limits of aldehydes in Swedish snus |
|---|---|---|---|---|
| Formaldehyde (mg/kg) | 25 mg/kg | 8−17 mg/kg | 7−12 mg/kg | 7.5 mg/kg |
| Acetaldehyde (mg/kg) | 900 mg/kg | 500−1300 mg/kg | 600−1200 mg/kg | 25 mg/kg |
