协同萃取剂泡沫塑料富集及分光光度法测定天然水中微量钍
谢长生
THE ENRICHMENT WITH IMPREGNATED POLYURETHANE FOAM AND SPECTROPHOTOMETRIC DETERMINATION OF TRACE THORIUM IN NATURAL WATER
XIE CHANG-SHENG
化学学报 . 1982, (7): 605 -610 .