Journal of Chemistry / 2016 / Article / Tab 6 / Research Article
An Investigation of the Levels and Distribution of Selected Heavy Metals in Sediments and Plant Species within the Vicinity of Ex-Iron Mine in Bukit Besi Table 6 The mean concentration (µ g/g) and percentages (%) of Pb, Al, Cd, and Fe in the surface sediments from five different stations of the Bukit Besi ex-mine catchments.
Element (EFLE) (AR) (OO) ( ) Nonresistant Station 1 Fe Mean 1980 1423 2459 9850 37.3% SD 122 100 57.8 97.2 Ratio% (12.6) (9.06) (15.7) (62.7) Al Mean 52.1 55.1 1021 3034 27.1% SD 25.4 2.71 19.3 90.3 Ratio% (1.25) (1.33) (24.5) (72.9) Cd Mean 0.05 0.02 0.02 0.12 41.1% SD 0.00 0.00 0.00 0.00 Ratio% (23.5) (9.13) (8.40) (59.0) Pb Mean 0.20 0.20 0.55 13.6 6.6% SD 0.01 0.01 0.01 2.17 Ratio% (1.4) (1.4) (3.8) (93.4) Station 2 Fe Mean 3.81 251 4044 10163 29.7% SD 3.42 4.03 40.2 628 Ratio% (0.03) (1.7) (28.0) (70.3) Al Mean 0.56 40.0 1495 3034 33.6% SD 0.24 0.30 14.0 80.9 Ratio% (0.01) (0.88) (32.7) (66.4) Cd Mean 0.01 0.02 0.1 0.2 33.3% SD 0.00 0.01 0.00 0.32 Ratio% (4.1) (5.99) (23.2) (66.8) Pb Mean 0.08 1.7 0.92 13.8 16.3% SD 0.00 0.04 0.90 14.4 Ratio% (0.48) (10.2) (5.59) (83.7) Station 3 Fe Mean 244 653 2425 10612 23.9% SD 47.7 3.44 115 305 Ratio% (1.75) (4.68) (17.4) (76.2) Al Mean 20.8 77.6 2244 3034 43.6% SD 3.08 0.79 25.1 32.5 Ratio% (0.39) (1.44) (41.7) (56.4) Cd Mean 0.04 0.03 0.04 0.02 84.9% SD 0.00 0.00 0.00 0.00 Ratio% (34.6) (21.2) (29.0) (15.1) Pb Mean 0.05 0.29 0.54 14.8 5.61% SD 0.01 0.00 0.04 0.51 Ratio% (0.35) (1.84) (3.43) (94.4) Station 4 Fe Mean 2.87 320 3511 13624 22.0% SD 1.7 6.94 37.5 84.4 Ratio% (0.02) (1.83) (20.1) (78.0) Al Mean 0.85 44.3 2637 3034 46.9% SD 0.26 0.69 90.7 32.5 Ratio% (0.02) (0.78) (46.1) (53.1) Cd Mean 0.02 0.02 0.05 0.12 44.1% SD 0.00 0.00 0.00 0.00 Ratio% (8.31) (10.1) (25.7) (56.0) Pb Mean 0.07 1.34 1.19 8.1 24.3% SD 0.00 0.02 0.40 1.1 Ratio% (0.68) (12.5) (11.1) (75.7) Station 5 Fe Mean 23.2 324 3503 5701 40.3% SD 2.94 3.43 42.9 108 Ratio% (0.24) (3.4) (36.7) (59.7) Al Mean 6.75 46.2 2170 3034 42.3% SD 0.48 0.72 32.4 43.2 Ratio% (0.13) (0.88) (41.3) (57.7) Cd Mean 0.01 0.01 0.05 0.2 31.4% SD 0.00 0.01 0.05 0.01 Ratio% (6.07) (4.88) (20.5) (68.6) Pb Mean 0.02 0.11 1.53 14.3 10.5% SD 0.01 0.01 0.01 1.1 Ratio% (0.14) (0.71) (9.61) (89.6)