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

Table 3

Analytical parameters of the ICP-MS method.

Element	Linear range (μg/L)	Regression equation	Correlation coefficient (r)	Limit of detection (μg/L)	Limit of quantification (μg/L)	Recovery (%)
Al	0–1000	y = 73466.319x + 1701428.801	0.9994	2.646	7.937	101.5
As	0–500	y = 13044.717x + 1069.046	0.9990	0.006	0.021	95.7
B	0–500	y = 11565.476x + 22820.933	0.9999	0.011	0.033	99.7
Ba	0–1000	y = 25039.481x + 1050274.760	0.9988	0.005	0.016	96.8
Be	0–500	y = 8883.222x	0.9997	0.001	0.003	99.4
Bi	0–1000	y = 149495.303x + 1748444.689	0.9996	0.003	0.010	101.4
Ca	0–1000	y = 6576.577x + 233419.741	0.9982	3.770	11.309	96.8
Cd	0–500	y = 19752.118x + 185.002	0.9992	0.008	0.027	99.1
Co	0–500	y = 82931.850x + 1665.120	0.9983	0.003	0.010	95.2
Cr	0–500	y = 63498.325x + 111919.636	0.9992	0.116	0.354	96.8
Cu	0–300	y = 60906.536x + 50216.325	0.9999	0.203	0.613	97.9
Fe	0–1000	y = 4721.293x + 363108.369	0.9993	1.923	5.769	100.4
K	0–1000	y = 98631.432x + 8811015.191	0.9988	3.618	10.867	105.1
Li	0–500	y = 29816.579x + 525.012	0.9985	0.008	0.025	98.6
Mg	0–1000	y = 54373.476x + 1003073.381	0.9994	0.717	2.152	101.2
Mn	0–1000	y = 155163.046x + 1627478.220	0.9996	0.008	0.025	99.5
Na	0–1000	y = 98631.432x + 8811015.191	0.9987	0.049	0.148	96.7
Ni	0–500	y = 24227.985x + 3540.534	0.9989	0.102	0.305	97.9
P	0–1000	y = 5417.667x + 516280.862	0.9998	11.957	35.870	99.4
Pb	0–500	y = 87958.918x + 44905.734	0.9983	0.063	0.194	105.3
Se	0–500	y = 1225.718x + 1690.126	0.9993	0.450	1.358	100.2
Sr	0–500	y = 131220.830x + 10289.297	0.9983	0.027	0.085	103.4
Ti	0–500	y = 84686.312x + 989169.607	0.9987	0.056	0.168	98.1
V	0–500	y = 68466.636x + 33570.526	0.9985	0.007	0.022	104.3
Zn	0–500	y = 23715.100x + 137716.819	0.9989	0.031	0.096	101.7