. Author manuscript; available in PMC: 2009 Jun 1.

Published in final edited form as: Spectrochim Acta Part B At Spectrosc. 2008 Jun;63(6):685–691. doi: 10.1016/j.sab.2008.04.006

Table 1.

Slopes of calibrations, relative sensitivities and LODs; concentration 0.25; 0.5; 1; 2 μg·l⁻¹ As each form

As species	Slope^c, l·s·μg⁻¹	Relative sensitivity^d, %	LOD, ng·l⁻¹	LOD, pg
iAs(III)^a	0.420 ± 0.0040	91.9 ± 1.6	107	64
iAs(III)^b	0.457 ± 0.0063	100.0 ± 1.4	131	78
iAs(V)^b	0.452 ± 0.0026	98.9 ± 1.5	132	79
MAs(V)^b	0.448 ± 0.0034	98.0 ± 1.6	44	26
DMAs(V)^b	0.470 ± 0.0034	102.8 ± 1.6	48	28
TMAs(V)O^a	0.432 ± 0.0031	94.5 ± 1.5	30	18
TMAs(V)O^b	0.401 ± 0.0078	87.7 ± 2.2	45	27

Without pre-reduction

On-line pre-reduction

Uncertainty expressed as SD

Related to iAs(III) sensitivity measured with on-line pre-reduction; uncertainty expressed as combined SD