样品中的镉用强阴离子交换固相萃取柱固相萃取预分离和富集后，用该方法测定，结果令人满意。
Cadmium of sample is primarily separated and concentrated by strong anion exchanging solid phase extraction column, then using this method to determine cadmium, the result is satisfied.
样品中的镉用强阴离子交换固相萃取柱固相萃取预分离和富集后，用该方法测定，结果令人满意。
Cadmium of sample is primarily separated and concentrated by strong anion exchanging solid phase extraction column, then using this method to determine cadmium, the result is satisfied.
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