Remove chemically

• Wash chemically
• Use a solvent
• Rinse, as with a solvent
• Cleanse with a solvent
• Wash out with a solvent
• Rinse out

Wiktionary Word definitions in Wiktionary
vb. (context transitive English) To separate one substance from another by means of a solvent; to wash; to cleanse.

WordNet Word definitions in WordNet
v. wash out with a solvent, as in chromatography

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Elute \E*lute"\, v. t. [L. elutus, p. p. of eluers to elute; e + luere to wash.] To wash out. [R.] --Arbuthnot.