Table 1.

Metal contents (ppm) in crude powder, soil and different fractions of P. hydropiper

Sample	Cu	Fe	Cr	Zn	Ni	Cd	Pb
Crude Powder	7.21 ± 0.23	95.00 ± 0.55	1.51 ± 0.45	7 ± 0.06	0.199 ± 0.001	0.35 ± 0.154	Nd
Ph.Cr	41.16 ± 0.06	10.89 ± 0.001	243.12 ± 0.31	Nd	Nd	22.85 ± 0.05	79.37 ± 1.47
Ph.Hex	45.96 ± 0.07	76.15 ± 0.27	Nd	4.32 ± 0.009	11.45 ± 0.02	20.28 ± 0.02	67.30 ± 0.31
Ph.Chf	134.70 ± 0.15	155.88 ± 0.21	Nd	Nd	7.05 ± 0.01	16.02 ± 0.11	55.44 ± 2.03
Ph.EtAc	25.60 ± 0.25	26.55 ± 0.09	Nd	Nd	9.56 ± 0.08	9.55 ± 0.02	Nd
Ph.Bt	51.40 ± 0.03	135 ± 0.70	Nd	28.28 ± 0.01	Nd	37.1 ± 0.013	70.3 ± 1.57
Ph.Aq	34.60 ± 0.05	124.65 ± 0.04	Nd	139.92 ± 0.002	Nd	23.18 ± 0.02	Nd
Soil	125.30 ± 0.50	113 ± 1.54	76.95 ± 0.59	89.34 ± 0.46	19 ± 1.25	55.23 ± 1.05	90.15 ± 0.56

Cu: copper; Fe: iron; Cr: chromium; Zn: zinc; Pb: lead; Ni: nickel Cd: cadmium; Pb: lead.

Nd: Not detected/ below detectable concentrations.