| 英文同义词: | Ethenylbenzene,diethenylbenzene,ethylethenylbenzenepolymer,sulfonated,sodiumsalt;DOWEX HCR-W2, NA+ FORM;DOWEX(R) HCR-W2;CATION EXCHANGE RESIN, DOWEX(R) HCR-W2, H+ FORM;CATION EXCHANGE RESIN, DOWEX(R) HCR-W2, NA+ FORM;DOWEX 50 W X 2, NA(+)-FORM, 100-200 MESH;DOWEX 50 W X 4, NA(+)-FORM, 200-400 MESH;DOWEX MARATHON MSC CATION EXCHANGE RESI& |