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

Table 3

Descriptive statistics results of elemental chemical analysis for Korba and Raipur soils.

	K	Ca	Ti	V	Cr	Mn	Fe	Ni	Cu	Zn	As	Ba	Rb	Sr	Pb	Bi
Korba
Mean	5061.10	1195.82	1465.22	14.38	20.78	162.39	6838.82	9.54	7.96	32.20	4.20	107.51	23.62	14.24	11.35	n.d.
SD	942.97	880.66	133.32	2.29	4.10	76.01	1136.39	1.90	2.29	21.11	0.64	39.98	7.20	8.98	1.20	n.d.
Min	3829.12	420.76	1292.66	11.08	14.56	82.90	5676.19	6.54	5.95	14.15	3.38	56.99	13.81	3.16	9.85	n.d.
Max	6216.60	2559.93	1571.93	17.32	24.68	253.70	8409.31	11.62	10.84	58.18	4.86	171.60	30.73	27.82	12.80	n.d.
Raipur
Mean	7209.17	1309.09	4988.11	89.34	131.88	1477.54	37201.98	61.84	39.59	55.86	20.96	197.05	26.24	18.45	55.45	5.11
SD	1628.34	707.36	471.33	28.31	20.11	596.58	5189.52	16.60	5.91	3.86	8.05	88.00	16.64	6.32	8.94	1.18
Min	4895.48	785.77	4336.85	55.44	111.48	462.53	27202.51	39.34	31.09	50.03	11.90	129.43	10.23	10.76	43.55	3.83
Max	9251.30	3659.98	5958.69	126.84	173.61	2579.07	43354.00	79.93	48.51	60.11	35.68	427.57	71.32	32.75	69.21	8.15