Table 8.

Recovery rates of the developed method (n = 6)

Specifications	Original (ng)a	Spiked amount (ng)	Determined amount (ng)	Recovery rate (%)	RSD (%)
AsB	NDb	103.75	97.95 ± 2.38	94.41 ± 0.02	2.43
DMA	ND	99.50	106.00 ± 0.70	106.53 ± 0.007	0.66
AsIII	15.96 ± 0.01	100.20	110.29 ± 3.30	94.14 ± 0.03	3.49
MMA	ND	100.12	97.73 ± 2.26	97.61 ± 0.02	2.31
As IIIc	ND	100.02	108.88 ± 1.73	108.86 ± 0.01	1.59
As Vd	3.39 ± 0.35	100.97	102.43 ± 1.22	98.09 ± 0.01	1.18

^aData are represented as the mean ± SD

^bND = not detected

^cAsIII represents AsIII and unknown risk arsenic compounds

^dAsV represents AsV and unknown risk arsenic compounds