PREPARATION OF SELECTIVE ADSORBING PARTICLES

摘要

Selective adsorbing particles are prepared by dispersing activated charcoal in a hydrophilic solvent solution of a polymer capable of forming a semi-permeable film in a coagulating medium and then adding the dispersion dropwise into a coagulating bath. The selective adsorbing particles have adsorption capacity substantially the same as that of untreated activated charcoal. Separation of organic compounds is performed by a method wherein a solution containing a mixture of adsorptive organic compounds and non-adsorptive compounds is contacted with the selective adsorbing particles. The method is suitable for separation or purification of various organic compounds such as antibiotics, dyestuffs, nucleic acids, preteins or enzymes.