Crude LFP-80 (2 g) was redissolved in water and separated on a DEAE-52 cellulose column (4.5 cm × 60 cm) by anion-exchange chromatography. The water-washed fraction was collected and further purified ...

@ Department of Chemical and Petroleum Engineering, University of Wyoming, Laramie, Wyoming 82071, United States $ Department of Physics and Optical Engineering, Rose-Hulman Institute of Technology, ...