Recovery of added inorganic arsenic species to different rice samples by MAS-LIS-DLLME method.

Samples	Added		Found mean ± S.D.a		Recovery (%)
	As(iii)	As(v)	As(iii)	As(v)	As(iii)	As(v)
Parboiled rice (μg kg−1)	—	—	37.8 ± 0.81	15.9 ± 0.47	—	—
	20.0	—	61.2 ± 1.32	16.1 ± 0.53	105.9 ± 2.29	101.3 ± 3.36
	—	20.0	35.6 ± 0.83	36.8 ± 0.91	94.2 ± 2.21	102.5 ± 2.21
	20.0	20.0	60.9 ± 1.28	38.3 ± 0.95	105.4 ± 2.22	106.7 ± 2.64
Brown rice (μg kg−1)	—	—	53.9 ± 1.21	32.6 ± 0.85	—	—
	20.0	—	75.6 ± 1.62	30.9 ± 0.71	102.3 ± 2.19	94.8 ± 2.18
	—	20.0	56.8 ± 1.18	55.2 ± 1.29	105.4 ± 2.19	104.9 ± 2.46
	20.0	20.0	75.1 ± 1.84	50.6 ± 1.15	101.6 ± 2.50	96.2 ± 2.20
White rice (μg kg−1)	—	—	45.3 ± 1.15	16.7 ± 0.42	—	—
	20.0	—	62.9 ± 1.42	17.3 ± 0.39	96.3 ± 2.17	103.6 ± 2.34
	—	20.0	47.6 ± 1.21	35.8 ± 0.99	105.1 ± 2.67	97.5 ± 2.71
	20.0	20.0	64.1 ± 1.37	38.5 ± 1.02	98.2 ± 2.10	104.9 ± 2.78
Glutinous rice (μg kg−1)	—	—	30.2 ± 0.75	28.9 ± 0.81	—	—
	20.0	—	53.6 ± 1.28	27.2 ± 0.67	106.8 ± 3.52	94.1 ± 2.33
	—	20.0	31.9 ± 0.87	50.7 ± 1.14	105.6 ± 2.87	103.7 ± 2.34
	20.0	20.0	48.3 ± 1.19	48.1 ± 1.06	96.2 ± 2.38	98.4 ± 2.16
Rice flour 1 (μg kg−1)	—	—	18.4 ± 0.56	13.7 ± 0.39	—	—
	10.0	—	28.1 ± 0.69	14.6 ± 0.34	98.9 ± 2.43	106.6 ± 2.50
	—	10.0	19.2 ± 0.29	25.8 ± 0.76	104.3 ± 1.60	108.9 ± 3.19
	10.0	10.0	30.5 ± 0.67	24.3 ± 0.53	107.4 ± 2.36	102.5 ± 2.24
Rice flour 2 (μg kg−1)	—	—	16.7 ± 0.41	10.8 ± 0.22	—	—
	10.0	—	28.6 ± 0.87	10.3 ± 0.28	107.1 ± 3.25	95.4 ± 2.62
	—	10.0	16.4 ± 0.50	22.1 ± 0.49	98.2 ± 3.02	106.3 ± 2.36
	10.0	10.0	26.9 ± 0.92	20.7 ± 0.34	100.7 ± 3.44	99.5 ± 1.63

^aStandard deviation (n = 3).