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The objective of this study was to investigate the concentrations of inorganic elements in the rhizome of  Paris polyphylla  Smith var.  chinensis  (Franch.) Hara of different planting years and cultivation conditions. Twenty-five inorganic elements including Al, As, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Na, Ni, P, Pb, Se, Sr, Ti, V, and Zn in the rhizome were determined by using inductively coupled plasma mass spectrometry (ICP-MS). The analytical method was validated by measuring several parameters including linearity, correlation coefficient, limit of detection (LOD), limit of quantification (LOQ), and recovery. The linear working ranges were three, 0–300  μ g/L, 0–500  μ g/L, and 0–1000  μ g/L, and the correlation coefficients ( r ) values were higher than 0.998. LOD varied from 0.001  μ g/L (Be) to 11.957  μ g/L (P), and LOQ varied from 0.003  μ g/L (Be) to 35.870  μ g/L (P). The recoveries spanned from 95.2 (Co) to 105.3% (Pb). Validation parameters showed the possibility of using whole of the sample preparation procedures used in this study. Based on the determined results, it is indicated that the toxic elements As, Cd, and Pb had no ingestion risk. The planting years and cultivation conditions had significant effects on the concentrations of inorganic elements of  P .  polyphylla  var.  chinensis . The concentrations of inorganic elements in cultivated samples were different from those in wild samples. The results can provide useful theoretical basis for the quality control and rational use of  P .  polyphylla  var.  chinensis .

journal of analytical methods in chemistry

Determination of Inorganic Elements in the Rhizome of <i>Paris polyphylla</i> Smith Var. <i>chinensis</i> (Franch.) Hara by Using Inductively Coupled Plasma Mass Spectrometry

Determination of Inorganic Elements in the Rhizome of Paris polyphylla Smith Var. chinensis (Franch.) Hara by Using Inductively Coupled Plasma Mass Spectrometry