International Journal of Analytical Chemistry / 2012 / Article / Tab 5 / Research Article
Concentration of Inorganic Elements Content in Benthic Seaweeds of Fernando de Noronha Archipelago by Synchrotron Radiation Total Reflection X-Ray Fluorescence Analysis (SRTXRF) Table 5 Mean values of elemental composition (ppm) of eleven species of seaweeds collected in Fernando de Noronha Archipelago, off northeastern Brazil and their respective CV, coefficient of variation (%).
Species As Ba Br Ca Co Cr Cs Cu Dy Fe K Mn Mo Ni Pb Rb Sr Ti V Zn Chlorophyta C. verticillata 10.82 (11.26) — 8.60 (13.63) 20639.78 (0.93) — 11.91 (12.51) — — — 2559.68 (0.47) 504.13 (5.08) 21.43 (6.40) — — — — 511.19 (1.80) 108.86 (3.66) 14.06 (8.37) 11.44 (3.83) Rhodophyta A. taxiformis — — 257.10 (2.64) 88908.21 (1.95) — 25.87 (10.30) — — 108.47 (10.46) 4108.09 (1.77) 1988.31 (3.22) 77.14 (9.75) — — 12.18 (9.48) — 2121.10 (1.79) 224.55 (4.35) 39.63 (5.53) 17.35 (1.61) D. occidentalis 12.03 (8.43) — — 15366.59 (0.30) — 6.26 (7.96) 62.98 (17.10) 1.55 (11.38) 6.12 (15.43) 915.92 (1.15) 49523.34 (1.29) 10.33 (4.35) 465.94 (14.12) — — 13.78 (10.85) 718.43 (2.12) — — 3.21 (18.63) G. rugosa — — 1.65 (17.96) 22949.59 (1.63) — 5.28 (2.41) 192.80 (5.05) — 21.66 (15.51) 513.81 (2.55) 1092.76 (3.99) 15.64 (1.90) 832.84 (12.86) — 2.00 (9.25) — 1735.42 (3.63) — — 2.36 (12.17) G. obtusata — — — 41500.55 (6.75) — — 358.28 (7.76) — 39.57 (14.48) 245.12 (5.92) 2611.29 (6.96) 23.58 (23.38) 671.37 (9.99) — — — 3002.25 (9.42) — — 3.80 (16.81) G. marginata — — — 82606.32 (0.88) — — 736.05 (3.21) — 54.34 (9.56) 75.27 (7.73) 15655.44 (0.62) 39.79 (5.66) 836.71 (7.84) — — — 5957.57 (1.53) — — 5.70 (18.02) Phaeophyta D. cervicornis — — 20.21 (8.44) 44313.30 (1.04) — 19.53 (5.43) — — — 3621.88 (0.88) 40527.54 (1.21) 60.85 (4.33) — — 27.22 (1.73) — 2272.40 (0.61) 181.51 (5.68) 44.39 (10.78) 25.54 (2.92) D. justii 17.35 (2.37) 21.39 (14.88) 3.56 (12.04) 18394.89 (4.26) 3.53 (4.81) — — — — 1410.02 (4.05) 7370.06 (4.41) 30.33 (3.94) — 5.35 (16.12) — — 3046.38 (4.15) — 33.87 (3.00) 22.50 (1,67) D. plagiogramma — — — 56397.66 (2.17) — 53.64 (7.44) 289.32 (15.38) — 46.31 (19.97) 11936.65 (2.62) 10593.50 (2.35) 78.34 (6.44) — 15.15 (5.23) 17.56 (16.64) 47.58 (12.20) 1521.78 (0.91) 537.01 (7.26) — 24.58 (3.78) P. gymnospora 15.20 (2.28) — 8.03 (10.63) 3028.40 (0.55) 1.93 (17.99) — 148.77 (2.46) 1.10 (11.52) — 251.77 (0.73) 9910.06 (0.51) 7.04 (6.41) — 1.91 (13.19) — 12.75 (17.70) 881.64 (1.21) — — 274.44 (0.33) Sargassum sp.117.92 (0.10) — 16.63 (5.92) 14035.01 (0.70) 5.35 (7.23) — — 1.61 (9.72) — 172.12 (1.91) 27196.26 (0.84) 21.53 (5.85) — 2.68 (8.54) — 36.43 (9.32) 1453.50 (0.77) — 14.13 (6.20) 6.15 (5.63) Average 34.67 21.39 45.11 37103.66 3.60 20.41 298.03 1.42 46.08 2346.40 15179.33 35.09 701.71 6.27 14.74 27.63 2111.06 262.98 29.22 36.10
—: not detected.