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。
Method: Sotalol in plasma sample was enriched with C18 solid phase extraction column .
方法：以C18固相萃取小柱预处理样品。
In addition, a new form of solid phase extraction column has been investigated.
另外，对一种新形式的固相萃取柱进行了初步研究。
In addition, a new form of solid phase extraction column has been investigated.
另外，对一种新形式的固相萃取柱进行了初步研究。
应用推荐