Bioinorganic Chemistry and Applications / 2008 / Article / Tab 1

Research Article

Biosorption of Uranium and Rare Earth Elements Using Biomass of Algae

Table 1

The concentrations (ng g-1) of lanthanide and U in brown algae taken on the coast of Niigata prefecture.

Concentration/ng g-1*
Dictyota dichotoma Ecklonia stolonifera Sargassum hemiphyllum Sargassum honeri Undaria pinnatifida

La(1.1–1.3) × 1021.0 × 102(1.9–2.5) × 102(1.4–3.0) × 102(0.93–1.3) × 102
35–382038–5333–6630–48

Ce(2.4–2.6) × 1024.4 × 102(3.3–4.0) × 102(3.1–4.4) × 102(1.9–2.8) × 102
74–799271–1.0 × 10277–9567–1.0 × 102

Pr38–40 26 (1.9–4.4) × 10237–60 (2.1–3.3) × 102
12-135.44.9–9.79.3–135.3–11

Nd(2.1–2.4) × 1021.3 × 102(1.9–2.2) × 102(15–23) × 10292–1.5 × 10-2
68–702740–5134–4923–44

Sm85–99 8040–53 36–52 14–34
28-29 1610–138.2–123.6–12

Eu41–49 3.1 × 10212–1512–22 5.0–11
13-14642.7–3.92.6–4.81.9–3.9

Gd(1.8-1.9) × 1021.5 × 10249–58 37–70 16–39
55–623110–158.0–153.8–12

Tb30–361.1 × 1027.1–10 6.1–10 2.4–8.7
9.7–10231.4–2.41.3–2.26.0 × 10-1–3.1

Dy(2.3–2.8) × 1021.4 × 10250–6634–69 9.6–29
77–8028 11–169.4–153.4–9.9

Ho53-54 1.2 × 1028.5–12 8.9–16 3.5–8.4
16-17241.9–3.22.0–3.59.0 × 10-1–2.8

Er(1.5–1.8) × 1021.3 × 10231–40 13–22 13–24
50–53287.8–9.22.9–4.83.8–7.4

Tm22–27 1.2 × 1022.8–3.6 3.0–7.8 9.5 × 10-1–2.8
7.2–7.825(5.9–9.1) × 10-16.5 × 10-1–1.6(2.4–9.8) × 10-1

Yb(1.4–1.8) × 1021.4 × 10230–32 24–29 12–24
48–53306.2–7.96.1–7.33.8–8.5

Lu21–28 1.4 × 1024.4–6.1 2.8–7.2 2.7–6.3
7.0–9.0289.0 × 10-1–1.67.1 × 10-1–1.57.6 × 10-1–2.3

U(1.4–1.7) × 1031.3 × 103(1.4–1.8) × 103(1.0–1.5) × 103(1.8–2.5) × 103
(4.6–5.0) × 1022.7 × 102(2.9–4.8) × 102(2.4–4.2) × 102(4.9–8.2) × 102

*The concentrations of elements are expressed on the basis of both ash weight (the upper line) and dry weight (the lower line) of each brown algae species.

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