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Zinc(II) imprinted amino-functionalized silica gel sorbent was synthesized applying surface-imprinting technique in order to preconcentrate and separate Zn2+prior to its determination by inductively coupled plasma optical emission speclrometry (1CP-OES). Compared to traditional solid sorbents and non-imprinted sorbent, zinc(U)-irnprinted sorbent has higher selectivity and adsorption capacity towards...
This communication demonstrates that micellar electrokinetic chromatography (MEKC) can be convenient for the determination of minor active components 6,7-dehydro-royleanone and taxoquinone in the extract of the traditional Chinese medicinal herb. 6,7-Dehydroroyleanone and taxoquinone can be monitored selectively and sensitively at 254 nm within 8 min in the plant extract, using alfa-cyclodextrin (alfa-CD)...
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