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Molecular formula :
MW :
CAS :
nature : the quantity of material referred to the concentration. The use of the term concentration of a physical extension, its meaning : with the exception of physical size. For example, concentration, volume concentration, the quantity of material concentration, concentration of several elements. The past often not very precise use of "percentile concentrations." In this term, not a clear expression which is a concentration above, but only with a clear% as a basic unit. The past is often used to having the content and composition and concentration of mixed up the concept, known as concentration, which is not accurate. See the content and composition of expression.
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