Take the door outside and use a chemical stripper.
Your only two choices are to sand or to use chemical stripper.
I would use a chemical stripper.
first remove the od finish. or you can use with chemical liquid to remove it. remove the physical surface of furniture, and than you can use wood putty to make that surface and than refinish the furniture
Physical and chemical procedures: filtration, distillation, centrifuging, sieving, chemical reactions, crystallization, etc.
Chemical peels have become increasingly popular in recent years as a treatment for a variety of skin problems. These treatments use a chemical solution to remove the outer layer of the skin.
Goof Off or Goo Gone.
the chemical is chlorine
This depends on the chemical, depth of the penetration, elapsed time, porosity of the wood. You can use a solvent or the surface scraping.
Lacquer thinner will possibly remove it, chemical stripper will definitely remove it.
Why Did Darby process of coking to remove chemical impurities from coal 1713
Yes