In chemistry, residue has different meanings. The more common meanings are: the remains or contaminant after a chemical process of preparation, separation, or purification (e.g., distillation, evaporation, or filtration; it may also denote the undesired by-products of a chemical reaction, which are a concern, for example, in agricultural and food industries.
In chemistry, residue has different meanings. The more common meanings are: the remains or contaminant after a chemical process of preparation, separation, or purification (e.g., distillation, evaporation, or filtration; it may also denote the undesired by-products of a chemical reaction, which are a concern, for example, in agricultural and food industries.
Source: Wikipedia "Residue (chemistry)" · CC BY-SA 4.0
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