Abstract:
STUDY ON ~(99)Tc~m-COLLOID DETERMINQTION IN ~(99)Tc~m-DEXTRANHuang Tiansen(Shanghai institute for Drug Control,200233))ABSTRACT The comparative tests with paper chromatography,thin-layer chromatography and electrophoreticmethods are performed. The result indicates that the~(99)Tc~m-colloid can be separated from~(99)Tc~m-Dx.and the contents of~(99)Tc~mO_2 can be determined by the electrophoretic method which use cellulose acetateas the supports and 5. 8 pH phosphate buffer as the medium.Key words radiochemical purity~(99)Tc~m-dextran lymphoscintigraphic agent