Development of a micro-solid phase extraction procedure using a histidine-copper adsorbent for the extraction of Zn(II) and Cd(II) ions from tea samples.

In this study, a micro-solid phase extraction method was developed using a sorbent synthesized from histidine and copper nitrate for the extraction of Zn(II) and Cd(II) ions from tea samples. The extraction system consisted of a syringe cylinder with…

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