Vitamin C
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Depending on the required properties and specific applications, surfactants are sometimes required to have different hydrophilic and lipophilic structures and relative densities. By changing the types of hydrophilic or lipophilic groups, their share and their position in the molecular structure, the desired balance of hydrophilic and lipophilic groups can be achieved. After years of research and production, many types of surfactants have been derived, each of which contains many varieties, which makes it difficult to identify and select a specific variety. Therefore, it is necessary to make a scientific classification of thousands of surfactants in order to facilitate further research and production of new varieties, and to facilitate the screening and application of surfactants.