液液萃取柱 NT20 pre-packed columns for extraction of lipophilic compounds from aqueous solutions (20 ml sample)
液液萃取柱 NT1 pre-packed columns for extraction of lipophilic compounds from aqueous solutions (0,1 - 1 ml sample)
液液萃取柱 for column fillings EXtrelut® NT 20
液液萃取柱 packing material for the production of large extraction columns