When I conduce an esterification reaction using oleic acid P.A, occurs a variation in color of final product generated (liquid). Is this color due occurence of some concurrent reactions generating other products in medium? Which are the majority products in this reaction that causes this phenomenon?
Dear Arthur,
A color change is possible. In your case, you use oleic acid to carry out an esterification therefore your product may have a totally different physico-chemical behavior explaining a reduction in oleic acid and therefore in your initial coloring of your reaction medium.
Do you use pure products and not a heterogeneous mixture like an oil (oilive oil for example)? But even in the case of an vegetable oil, you will see different behavior during the reaction.
best regards
Benoît
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