Evaluation of Heavy Metals Contamination from Environment to Food Matrix by TXRF: The Case of Rice and Rice Husk

Table 6

Descriptive statistics results of elemental chemical analysis for rice and rice husk from Korba and Raipur.

	K	Ca	Ti	Cr	Mn	Fe	Ni	Cu	Zn	Rb	Sr	Ba	Pb
Korba
Rice
Mean	2291.61	223.52	1.71	0.00	31.19	17.25	0.85	2.61	28.92	17.24	0.43	n.d.	0.25
SD	495.62	32.67	1.41	0.00	7.63	3.14	0.67	0.36	6.64	12.79	0.16	n.d.	0.17
Min	1603.61	175.06	0.47	0.00	23.97	13.20	0.39	2.22	22.18	4.18	0.29	n.d.	0.08
Max	2910.56	267.13	4.02	0.00	43.67	20.86	2.01	3.00	39.09	35.19	0.67	n.d.	0.51
RH
Mean	3709.19	1256.24	15.67	0.32	225.62	188.03	1.62	2.01	29.49	17.85	3.41	25.62	0.61
SD	839.90	245.48	24.83	0.09	57.67	130.03	1.22	0.13	3.22	10.18	1.14	6.45	0.26
Min	2277.06	947.76	2.30	0.00	174.33	92.74	0.62	1.85	25.87	3.69	2.24	15.40	0.41
Max	4440.80	1499.97	59.92	0.90	325.00	408.97	3.25	2.17	33.31	28.69	4.76	31.96	1.02
Raipur
Rice
Mean	2515.78	354.45	2.09	0.47	26.85	24.73	0.88	2.56	27.07	3.29	0.46	n.d.	0.34
SD	323.75	81.34	0.88	0.11	6.91	8.24	0.66	0.71	5.09	2.56	0.12	n.d.	0.09
Min	2200.82	231.92	0.84	0.00	19.66	12.67	0.22	1.66	19.09	0.58	0.31	n.d.	0.24
Max	3020.55	452.90	3.24	1.60	34.50	32.61	1.77	3.44	31.36	6.69	0.59	n.d.	0.45
RH
Mean	5498.53	1621.25	19.48	11.02	241.33	762.37	10.64	2.66	34.12	4.84	3.90	7.67	1.55
SD	538.45	335.42	14.63	18.30	99.08	172.01	6.21	0.35	2.13	3.39	1.09	3.86	1.39
Min	4866.02	1366.79	6.83	0.80	155.14	588.74	0.52	2.19	32.18	1.31	2.89	4.67	0.76
Max	6134.38	2165.07	42.73	43.26	397.79	956.78	38.05	3.08	37.65	9.21	5.63	14.17	4.04