Tracer | Parameter D e (10−11 m2/s) K d (L/kg) | In-situ test FM-Ca,b | In-situ test DIb,c | In-situ test DI-A1*d | In-situ test DI-Be | In-situ test DI-A2*f,g,h | In-situ test DRi | Lab data diffusion | Lab data batch sorption |
---|---|---|---|---|---|---|---|---|---|
HTO | D e par anisotropy ratio ε | 6.8 1, assumed 0.12 | 5 7, assumed 0.15 | 5.4–6.5 nc or 6.5 0.17–0.20 | 4–5i nc or 4 (lab value) 0.15–0.16 i | 6.0 nc 0.15 | 5.4 5.1 0.164 | 5.4–5.7o,k,l,m ~4 0.10–0.17j,l,m | |
I− | D e par anisotropy ratio ε | 2.5 1, assumed 0.05 | 1–1.5 4.4, assumed 0.07–0.125 | 1.2–2.0 nc or 6.25 0.09–0.15 | 0.83–1.2i nc or 4 (lab value) 0.08–0.09 | 3.0 nc 0.08 | 1.6 3.8 0.08 | 1.44l,m 1.7 (36Cl–)j,l,m ~4 (36Cl–) 0.058–0.082l,m | |
Br− | D e par anisotropy ratio ε | 3.0 nc 0.10 | 2.6 | 1.7–4.5n, 1.6m 0.078–0.15m,n | |||||
22Na+ | D e par anisotropy ratio | 7.2–8.2 nc or 8 | 7.7 5.1 | 7.2–9.4o,k,l,m 4–6.7 | |||||
α | 0.45–0.62 | 0.5 | 0.33 o | ||||||
K d | 0.12–0.20 | 0.15 | 0.09–0.24 o, m | 0.15–0.21 o | |||||
85Sr2+ | D e par anisotropy ratio | 7.0 nc | 6.5e, 7.5m | ||||||
α | 2.4 | 1.9–2.0d | |||||||
K d | 1.0 | 0.64–0.75d, 1.4e, 1.7m | 1.3o | ||||||
Cs+, 137Cs+, 134Cs+ | D e par anisotropy ratio | 30 | 20.0 (Freundlich) 20–40 (ion exch.) Nc | 33(−82)(stable) | 26n, 18r (134Cs+, low conc.), 23n (Cs+, stable 1 mM) 2.2–8.7 | ||||
Freundlich isotherm | S = 0.186C 0.53 | S = 0.186C 0.53 | 3-site ion exchange | S = 0.45C 0.65 n 3-site ion exchangem | S = 0.85C 0.63n S = 0.372C 0.53p 3-site exchange siteq | ||||
60Co2+ | D e par anisotropy ratio | 2–20 Nc | |||||||
α | 115–918 | ||||||||
K d | 50–400 | 420n |