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Mar 10 Mar 2020 - 11:11 par Franck

Bonjour à toutes et à tous,

Le forum a eu pas mal de perturbations ce matin et a même été inaccessible quelques heures. Le problème est lié à notre hébergeur (problème de certificats si j'ai tout capté).
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depuis hier j'ai par moment des lenteurs sur le forum, pas de blocage net, mais par moment ça patine dans la semoule .. Wink

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Rapport d'analyse des cartouches demandé par Pillbox38

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super Rapport d'analyse des cartouches demandé par Pillbox38

Message par Administrateur le Mer 1 Oct 2008 - 8:39

En anglais : si quelqu'un pouvait nous traduire correctement

Pillbox38 (pseudo Boutique Ebay) ou site web The Electronic Cigarette Store
Merci pour cette transparence bravo

"Analysis of Chemical Components from High, Med & Low Nicotine Cartridges
Report Number: D318
Cara Valance & Mike Ellicott
10 September 2008

LPD Laboratory Services
Blackburn MicroTech Solutions Ltd.
Philips Road
Blackburn
Lancashire, BB1 5RZ
United Kingdom
LPD Labservices: UKAS Accredited Chemical Analysis Laboratory
enquiries@lpdlabservices.co.uk
Tel 01254-507379
Fax 01254-507402

Pillbox 38
Office 3
Mill Brook Complex
Branch Road
Lower Darwen
BB3 0PR


This report shall not be reproduced except in full, without written approval of the laboratory


1. Background
Nicotine solution cartridges were supplied for analysis by ‘The Electronic Cigarette Co (UK) Ltd’ as part of their due diligence to confirm the components currently found within the Nicotine Solution formulation. Samples cartridges labelled High, Medium and Low nicotine were supplied.

Solutions of this type can be used in an electronic cigarette which replicates the action of smoking, producing a tobacco aromatized smoke which when inhaled quickly delivers the nicotine to the lung.

The Electronic Cigarette does not emit a tarry smoke, or produce an ash deposit, and can be used to wean the smoker off ‘cigarette smoking’ in a controlled manner.

2. Sample
The samples were received on the 01/09/2008.
• 1 x Nicotine cartridge HIGH
• 1 x Nicotine cartridge MED
• 1 x Nicotine cartridge LOW



3. GC-MS Method
The samples were analyzed by an external flavour laboratory to determine the components present by GC-MS (gas chromatography mass-spectrometry).

Column: Alltech Flavour & Essences Capillary Column – 30 m x 250 µm x 0.5 µm
Temperature: 50oC 4 min, ramp 10oC/min to 210oC
Analysis Time: 81 min
Injection: Split
Carrier gas: Helium


The GC method employed may not detect some less volatile components that may be found in the samples, or where components are present in such low levels that they are below detection limits for the GC-MS method.

4. GC-MS Results
The Nicotine cartridge samples were diluted with Propylene Glycol to allow sufficient sample for injection.

Table 1 – Nicotine High/ Med / Low
Summary of GC-MS peak identification, CAS Number, and associated Risk Phrases
No Component
Name Nicotine
HIGH
Cartridge




Detected
Yes/no? Nicotine
MED
Cartridge




Detected
Yes/no? Nicotine
LOW
Cartridge




Detected
Yes/no? CAS No. Effects to Humans of pure product in isolation via inhalation route
R20 = harmful by inhalation
R23 = Toxic by inhalation
R26 = Irritating to respiratory system
R39/23 = Danger of serious irreversible effects through inhalation
1 Nitrogen yes yes yes 7727-37-9 Possibly present due to inert packaging
2 Ethanol yes no no 64-17-5 R11 = Highly Flammable
3 Water yes yes yes 7732-18-5 Non hazardous
4 Propylene Glycol yes yes yes 57-55-6 Not currently recognized as giving any health hazards. So some MSDS’s say no harmful effects from inhalation, while others may list some possible health hazards including by respiration route

However, it is listed as a suspected respiratory toxicant, suspected skin or sense organ toxicant, suspected neurotoxicant, and a suspected immunotoxicant.
6 Nicotine yes yes yes 54-11-5 R23 = Toxic by inhalation
R24 = Toxic in contact with skin
R25 = Toxic if swallowed

Poison - maybe fatal if inhaled
7 Triacetin no yes no 102-76-1 No Risks identified




5. Discussion
The composition of the three solutions in the nicotine cartridges has been investigated by LPD Laboratory Services, in order to try and re-affirm that the nicotine solutions are a much safer alternative when used in the electronic cigarette, when compared to smoking with traditional cigarettes.

All three solutions needed to be diluted with solvent (Propylene Glycol) to yield sufficient liquid to inject onto the GC-MS, and so nominal % compositions have been omitted.

All three nicotine solutions contain the addictive yet poisonous nicotine component, as do traditional cigarettes.

Only the cartridge labelled HIGH appeared to contain low levels of Ethanol solvent. Ethanol was not detected in the MED and LOW nicotine solutions.

All three nicotine solutions do appear to contain large amounts of propylene glycol aerosol forming solvent. Different suppliers of this chemical appear to offer differing hazard ratings on their respective MSDS’s. Some indicate no ill effects from inhalation which is fine, while others indicate CNS and spleen health issues may exist from prolonged inhalation of the chemical.

Researching the chemical profile for propylene glycol1 indicates that although there would appear to be ‘no current recognized health hazards’, the chemical is ‘suspected to be a respiratory toxicant’.
If Propylene Glycol subsequently becomes ‘recognized as a respiratory toxicant’ following the launch of the product in Europe, then ‘Pillbox 38’ should be looking for an even safer alternative such as Glycerol.

Only the MED nicotine solution contained traces of Triacetin, a noted cigarette additive with no identifiable risks.

6. Conclusion
On balance, the nicotine solution cartridges appears to offer a much safer alternative to the traditional cigarette. Apart from the required toxic Nicotine, the samples tested appear to be fairly clean and free from other potentially toxic chemicals.

Using this type of nicotine solution, the artificial smoke generated by an Electronic Cigarette would not appear to contain the toxic cocktail of toxic carcinogenic compounds found in traditional tobacco smoke. Some 600+ chemicals have been identified in traditional smoke tobacco, of which many are carcinogenic.

The primary aerosol forming solvent (Propylene Glycol) used in the preparation of the nicotine solution is listed as a ‘suspected respiratory toxicant’.

‘The Electronic Cigarette Co (UK) Ltd’ should look at changing the aerosol forming solvent from the suspected respiratory toxicant ‘Propylene Glycol’, to an even safer solvent such as Glycerol.


7. Recommendations
a) ‘The Electronic Cigarette Co (UK) Ltd’ should take a Proactive look at replacing the Propylene Glycol component completely with an alternative such as Glycerol, in the event that the solvent becomes added to the list of respiratory toxicants in the foreseeable future


8. References
• www.scorecard.org/chemical-profiles; The Pollution Information
• Reference to 100 fatal poisonings in Panama resulting from a Chinese factory falsifying records in order to export the cheaper but toxic Diethylene Glycol as the more expensive Glycerol.





Analysts Name: Mike Ellicott
Function: Senior Applications Scientist
Signature: (hard copy only)________________


End of Report"
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Date d'inscription : 16/06/2008

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