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RE: The most expensive solvent! -- 最貴的有機溶劑
When I remember correcly for benzene it is possible to just stir or boil(?) it with D2SO4 for proton exchange. A colleague tried this way for xylene but just ended with a messy black slime...
oh I didnt expect D2SO4 is strong enough!!!
Haha black slime, so sad ~