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GC 7890 Gas Chromatograph TVOC in Indoor air - Gas ChromatographDetermination of Benzene Series
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Product descriptions from the supplierTVOC is a general term for a compound composed of one or more carbon atoms that evaporates easily at room temperature and normal atmospheric pressure, and is a colorless gas that exists in the indoor environment. TVOC is mainly emitted from building materials, interior decoration materials and living and office supplies. Indoor TVOC concentrations are usually between 0.2mg/m3 and 2mg/m3, and can even be dozens of times higher in improper decoration construction. TVOC is a kind of pollutant which is very common and harmful to human body. It is characterized by many kinds and complex ingredients, and long-term low dose release is harmful to human body.
Benzene series has a strong smell identification characteristics, we often smell the decoration and new car odor, such as: paint, coatings, adhesives, plastic products and other decorative materials odor is basically benzene series and TVOC odor. Formaldehyde is colorless and odorless, only slightly irritating, not the strong irritating smell of Internet legend. Among the many decoration air pollutants, benzene series pollution hazards are the most serious, and has long been listed as a strong carcinogen by the World Health Organization and the medical community, while benzene series is also difficult to control pollutants, so the current market very few control benzene pollution products.
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