Table 4.

ICP-OES determination of Pb (II) and Cu (II) in fish tissues samples and battery effluent after Column Preconcentration under optimized conditions.

Samples	Amount spiked Pb(II), Cu (II) (µg)	Amount found Pb (II) (µg g−1)	Mean %recovery Pb (II) (µg g−1)	RSDa N = 3	Amount found Cu (II) (µg g−1)	Mean %recovery Cu (II) (µg g−1)	RSDa N = 3
Labeo rohita
Kidney	0	0.85	—	4.55	0.21	—	4.02
	5	5.47	95.6	2.4	5.3	98.6	2.73
	10	10.54	104.4	2.59	9.88	96.8	1.81
Liver	0	0.18	—	4.5	0.27	—	3.46
	5	5.22	102	1.31	5.14	95	4.4
	10	10.68	98.3	4.53	10.47	101.6	3.31
Muscle	0	0.14	—	4.44	0.12	—	4.09
	5	5.1	95.6	3.99	5.07	97.7	1.07
	10	9.64	100.2	2.69	9.49	98.4	3.98
Brain	0	0.65	—	4.95	0.22	—	4.14
	5	5.58	98	2.45	5.27	100.1	2.45
	10	10.96	100	3.43	10.7	103.5	4.91
Gills	0	0.21	—	3.31	0.12	—	3.28
	5	5.11	95.9	3.64	5.18	97.3	3.62
	10	9.93	104.8	3.5	10.01	100.9	2.06
Channa punctatus
Kidney	0	8.66	—	5.21	0.47	—	5.3
	5	13.61	102	3.88	5.4	98.8	1.29
	10	17.93	98	2.84	10.42	104.1	2.74
Liver	0	6.34	—	4.21	1.35	—	4.94
	5	11.16	97.8	1.87	6.34	96.9	3.88
	10	16.67	96.7	4.61	11.67	95.1	4.85
Muscle	0	1.09	—	5.5	2.35	—	5.4
	5	6.06	98.74	2.05	7.32	103.8	4.26
	10	11.25	102.9	1.56	13.22	104.6	3.73
Brain	0	9.8	—	3.9	0.69	—	4.91
	5	15.01	102.4	4.44	5.73	98.8	3.45
	10	20.24	101.2	3.35	10.13	95.6	2.28
Gills	0	13.47	—	4.3	0.56	—	1.32
	5	18.37	99.54	2.14	5.14	96.7	4.19
	10	22.81	96.4	2.99	10.58	98.1	2.94
Battery waste
Effluent	0	1.76	—	4.13	1.1	—	4.54
	5	6.85	95.8	2.86	6.25	101.8	1.97
	10	12.23	103.3	3.71	11.45	99.7	3.5