Abstract: A rapid method called precipitation on the column is reported for the concentration and separation of radioactive strontium. A precipitant of strontium, sodium rhodizanate (NaC6O6), is first absorbed on porous anion resin to convert it into the C6O62- type. When a solution containing known amount of strontium carrier passes through a column loaded with resin of this kind, strontium combines with C6O62- on the column to form a insoluble precipitate (SrC6O6) and is fixed and concentrated on the column. Meanwhile, the resin bed acts as a filter. Strontium on the column can then be dissolved easily and separated from other fission products with 0.03M HEDTA solution.Since the method is a combination of precipitation with ion-exchange, it combines the rapidness in reaction of precipitation with the easy operation of the column. It takes only about 20 minutes to concentrate a 500 millilitres sample. This is 4 times as fast as that of evaporation concentration. In order to analyse the content of 89,90Sr in low level radioactive effluent, stages of Fe (OH)3 decontamination are necessary and samples with activity of 10-11Ci/1 of 89,90Sr were determined with a relative mean square deviation of±15%