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Inaccurately, heavy metals are called "trace elements" such as metals in trace amounts (mercury, lead, etc.) and also non-metallic elements like arsenic. These molecules are naturally present on Earth (lead or arsenic in the crust), coming from the combustion of coal and oil and also the incineration of household waste. The toxicity of these elements depends on their compound and concentration. They can be necessary for life as well as highly dangerous to humans.
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It can cause problems for the nervous system (lead poisoning), liver and kidney diseases. It is classified as potential carcinogen for humans.
It can cause respiratory illness and kidney problems. It is classified as a carcinogen for humans; studies have shown an increase of lung cancer deaths.
It can cause skin lesions, digestive problems as well as an increased risk of heart attack deaths. Similarly, it is classified as a carcinogen for humans (cancer of respiratory routes).
It can produce problems for the nervous system (memory, sensory functions of coordination), kidney functions and endocrine system. Also demonstrated is its cytotoxicity on stem cells of the nervous system.
The ingésciences laboratory measures the levels of these heavy metals in their products for the manufacturers of e-liquids and flavours. The aim is to be sure that the vaporised product does not contain dangerous and toxic doses of metals for the consumer. The absence of heavy metals is also an important criterion for obtaining the certification AFNOR XP D90-300 part 2 on the quality of e-liquids.
Based on compliance with the French standard AFNOR XP D90-300 part 3 on emission analysis, ingésciences analyses the vapour coming from the vaporisation of e-liquids to ensure that the metal parts of the electronic cigarette do not release significant amounts of metal when heated. Indeed, the heating phenomenon dilates the metal that can migrate and be found in the vapour inhaled by the consumer.
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Check for the presence of heavy metals in your products?