2. Identification of cut tobacco. Real tobacco cut tobacco has natural color, good luster and strong oil feeling; Fake cut tobacco has poor quality, dark color and rough surface.
3. Identification of combustion performance. True smoke has good combustibility and does not turn off the flame; Fake cigarettes have poor combustibility and flameout.
4. Identification of soot. When observing the cigarette during combustion, whether there are more tobacco stems mixed in the tobacco shreds, when there are more tobacco stems, the cigarette may be fake.
5. Identification of fragrance and odor. The cut tobacco of all brands of real cigarettes generally meet their corresponding grade standards, and the cut tobacco of real cigarettes has an open package smell and smells very comfortable; The smell of fake cigarettes is pungent and the smell of nose is obviously uncomfortable.
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Although the chemical substances in cigarettes are mainly dry tobacco, many additives have been added after chemical treatment. The smoke from burning cigarettes contains about 4,000 chemicals, many of which are toxic, causing abnormal substances and thousands of carcinogens.
Radioisotopes are one of the causes of lung cancer in smokers. Cigarette polonium 2 10 cannot be excreted. It can enter blood vessels and cause pathological changes in the heart, liver and stomach. Cigarettes also contain radium 226 and lead 2 10. Radioisotopes come from mineral fertilizers. It has been found that smokers in the sixties and eighties have radioactive isotopes in their bodies. The smoke from burning cigarettes also contains carcinogens such as nitrosamines and benzopyrene.
People's network -6 tricks to teach you to identify fake cigarettes.