How can plasticizer be removed during isolation of compounds by column chromatography.

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Bruce Neagle

This pink color came from your sample. What compound are you trying to isolate/chromatograph and what is your sample matrix?

Muhammad Adeel Arshad

Dear Bruce Neagle,

My sample has plant extract (butanol fraction) and silica which is used for column chromatography.

Jack Silver

Why do you feel there is plasticizer?

In any case, if you are sure the "pink spot" is a plasticizer, it will be removed as you run the column.