The sensitivity was improved more than 100-fold. The extraction procedure included conditioning, loading, washing, eluting and regenerating.
维甲酸异构体的微柱固相萃取过程包括柱老化、上样、洗涤、洗脱以及柱再生等步骤。
The sensitivity was improved more than 100-fold. The extraction procedure included conditioning, loading, washing, eluting and regenerating.
维甲酸异构体的微柱固相萃取过程包括柱老化、上样、洗涤、洗脱以及柱再生等步骤。
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