作者: A.G. Alvarez , M. Martı́nez-Escandell , M. Molina-Sabio , F. Rodrı́guez-Reinoso
DOI: 10.1016/S0008-6223(99)00085-8
关键词:
摘要: … Some semicokes have been extracted with heptane, toluene or 1-methyl-2-pyrrolidone to … by heptane, but it is partially dissolved by toluene and especially by 1-methyl-2-pyrrolidone. …