Arsenic and Heavy Metals in Vietnamese Rice: Assessment of Human Exposure to These Elements through Rice Consumption

Table 1

Characteristics of the analytical method for the analysed rice samples.

No	Elements	Method	Linearity range (μg/kg)	R^2	LOD (mg kg^−1)	LOQ (mg kg^−1)
1	As	ICP-DRC-QMS	1.000–50	0.9999	0.0005	0.0017
2	Cd	ICP-MS	1.000–50	0.9998	0.0002	0.0007
3	Co	ICP-MS	1.000–50	0.9997	0.0013	0.0042
4	Cr	ICP-MS	1.000–50	0.9999	0.0218	0.0726
5	Cu	ICP-MS	1.000–50	0.9999	0.0025	0.0084
6	Fe	AAS	50–5000	0.9994	0.016	0.052
7	Hg	CV-AAS	0.05–1.0	0.9994	0.0001	0.0003
8	Mn	AAS	100–5000	0.9988	0.013	0.04
9	Ni	ICP-MS	1.000–50	0.9999	0.0036	0.0121
10	Pb	ICP-MS	1.000–50	0.9998	0.0028	0.0095
11	Se	ICP-DRC-QMS	1.000–50	0.9999	0.00420	0.0140
12	Zn	ICP-MS	1.000–50	0.9995	0.0727	0.2424