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Table 1 Radionuclide sorption on different rock (compiled from [4])

From: Effect of reducing groundwater on the retardation of redox-sensitive radionuclides

Element Sample type Number of Samples Distribution Coefficients (mL/g)
    Minimum Maximum Mean Standard Deviation
Strontium Alluvium 73 1 781 470 197
  Carbonate rock   5 16   
  Devitrified tuff 154 9 1,200 101 141
  Vitric tuff 30 23 220 148 62
  Zeolitic tuff 83 1,200 246,085 39,277 54,882
Technetium Alluvium 17 0 12 2.16 3.48
  All tuffs   0 0   
Iodine Alluvium 14 0 24.5 5.74 4.03
  All tuffs   0 0   
Cesium Alluvium 56 1,720 33,200 5,884 5,153
  Carbonate rock   4 101   
  Devitrified tuff 159 10 3,800 645 656
  Vitric tuff 30 109 1,061 646 317
  Zeolitic tuff 86 2,700 72,000 16,747 13,710
Uranium Alluvium 48 0.9 60 6.36 5.04
  Carbonate rock   0 132   
  Devitrified tuff 75 0 15 2.51 2.29
  Vitric tuff 59 0 12 1.89 1.7
  Zeolitic tuff 176 0 9,423 45 423
Neptunium Alluvium 30 1.83 22 8.57 5.08
  Carbonate rock   < 100 5,000   
  Devitrified tuff 421 0 2,353 19 166
  Vitric tuff 400 0 526 3.17 29
  Zeolitic tuff 430 0 22 3 2
Plutonium Alluvium 24 230 21,000 4,091 4,448
  Carbonate rock   100 10,000   
  Devitrified tuff 118 6 1,900 125 168
  Vitric tuff 71 23 1,810 516 472
  Zeolitic tuff 110 19 2,000 260 242
Americium Alluvium 24 3,200 1,400,000 174,469 214,582
  Carbonate rock   150 300,000   
  Devitrified tuff 35 79 12,000 1,845 1,834
  Vitric tuff 8 860 2,050 1,354 398
  Zeolitic tuff 25 470 33,000 5,204 7,757