Table 5 Measured redox potential Eh (mV), referenced to standard hydrogen electrode, in different treatments
From: Effect of reducing groundwater on the retardation of redox-sensitive radionuclides
Test ID | Alluvium/J-13 | Devitrified tuff/J-13 | Zeolitic tuff/TCU | Carbonate/LCA | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | J-13 Controla | Blank | Sorption | Blank | Sorption | Control | Blank | Sorption | Control | Blank | Sorption |
A | 362 ± 13 | 368 ± 4.8 | 312 ± 9.9 | 341 ± 11 | 338 ± 10 | 357 ± 6.1 | 340 ± 5.7 | 319 ± 5.7 | 345 ± 4.5 | 353 ± 1.5 | 335 ± 4.2 |
B | 207 ± 0.14 | 205 ± 0.64 | 206 ± 2.0 | 201 ± 2.4 | 203 ± 2.0 | 186 ± 0.215 | 191 ± 0.35 | 187 ± 1.2 | 195 ± 2.8 | 204 ± 0.4 | 195 ± 0.4 |
C | (-50) ± 1.0 | (-27) ± 2.8 | (-31) ± 1.1 | (-41) ± 0.21 | (-22) ± 0.31 | 29.4 ± 0.64 | (-8.3) ± 0.21 | (-25) ± 0.36 | (-35) ± 0.64 | (-34) ± 1.6 | (-22) ± 1.4 |
D | (-55) ± 9.9 | (-83) ± 0.07 | (-82) ± 1.0 | (-82) ± 0.78 | (-70) ± 1.4 | (-98) ± 1.3 | (-102) ± 2.8 | (-95) ± 0.60 | (-54) ± 2.5 | (-90) ± 0.14 | (-82) ± 0.67 |
E | (-50) ± 1.0 | (-47) ± 1.8 | (-63) ± 6.5 | (-56) ± 2.4 | (-59) ± 2.7 | (-52) ± 0.78 | (-69) ± 0.21 | (-73) ± 0.38 | (-52) ± 0.14 | (-59) ± 2.2 | (-68) ± 0.85 |