Abstract:This work aims to present a simple, cost-effective, and environmentally friendly digestion method with diluted HNO3 and H2O2 for simultaneous determination of As, Ca, Cd, Cr, Cu, Fe, K, Mg, Mn, Na, P, Pb, Sr and Zn in medicinal herbs employed inductively coupled plasma optical emission spectrometry (ICP OES). A fractional factorial design uses a multivariate strategy to optimize the experimental parameters of the sample preparation. The application of a multi-response function established the best experimental… Show more
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