Ts'ebetso ea mantlha le likarolo tsa sebopeho:
Likarolo tse ka sehloohong tsa motsoako ke CH₂Cl₂, oli e tšoeu le trace water. ho nka monyetla ka lintlha tse fapaneng tse belang tsa lintho tse tharo, sekhechana se etsoa ka tatellano ka letoto la mehato, joalo ka "distillation" ea pele, "atmospheric distillation", "vacuum gas extract", CH₂Cl₂ le ho tlhotla oli e tšoeu. tharollo ea ho ntša e ile ea aroloa 'me ea hloekisoa ho tsosolosa CH₂Cl₂ (bohloeki> 99.97%) le oli e tšoeu (bohloeki> 99.97%) ho finyella litlhoko tsa ho sebelisoa hape moleng oa tlhahiso le ho fokotsa tšebeliso ea thepa ea tsamaiso ea tlhahiso. Fokotsa litšenyehelo tsa tlhahiso ea filimi ea karohano.