Arsenic Species Analysis at Trace Level by High Performance Liquid Chromatography with Inductively Coupled Plasma Mass Spectrometry

Table 3

Analytical figures of arsenic speciation by HPLC–ICP–MS.

Parameters	Analytical features
	AsB	AsC		DMA	MMA
Linear range (µg/L)	0.5–50.0	0.5–50.0	0.5–50.0	0.5–50.0	0.5–50.0	0.5–50.0
Coefficient (r)	1.0000	0.9999	1.0000	1.0000	1.0000	1.0000
LOD (ng/L)	0.01	0.05	0.11	0.28	0.20	0.35
R.S.D. (%, n = 5)	3.68	3.04	3.19	3.02	3.36	2.26