Sensitizing Spectrophotometric Determination of Trace Zinc in Preparation of Rhizoma Gastrodiae in Microemulsion Medium
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Graphical Abstract
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Abstract
A sensitive, accurate and simple spectrophotometric method for the determination of trace zinc in preparation of hehoma Gastrodiae in the CTMAB/n C2H11OH/nC7H16/H2O microemulsion medium (water content of 98 %)was reported. The color reagent was 4- (2-pyri
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