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<br /> Table 2.2. Dissolution Kinetics of a Mancos Shale sample at varying soil/ <br /> water ratios and for different size classes (after Whitemore, <br />W 1976) . <br />1-- <br />Co!) Data expressed as EC x l06 at 250C <br />00 <br /> Natural soil Size fractions (Ill dilution) <br /> Time III H2O 1110 H2O 1150 H2O lmm . 25 om . 100 om <.100om <br /> 1 see 1154 825 98.3 799 l206 l810 . 2022 <br /> 10 see 1528 l060 182.2 1023 1428 2032 2210 <br /> 20 see 1970 1289 282.4 l130 1720 2246 2248 <br /> 30 see 2078 l289 350.8 <br /> 1 min 2098 l324 381.4 l238 1932 2279 2316 <br /> 2 min 2074 1450 448.2 <br /> 3 min 2082 l818 452.4 <br /> 4 min 2059 1886 653.4 <br /> 5 min 2059 1932 653,0 <br /> lO min 2098 1936 687,0 l798 2038 2289 2380 <br /> 30 min 2122 1948 821.2 1842 2172 2300 2858 <br /> 1 hr 2186 2062 846.1 1966 2220 2348 2400 <br /> 4 hr 2132 2154 1208 <br /> 8 hr 2244 2178 1304 2321 2332 2398 2476 <br /> 24 hr 2292 2300 1640 2400 2480 2556 2492 <br /> 72 hr 2260 2431 1642 2432 2592 2548 2476 <br /> Equilibrium <br /> (7-9 days) 2272 2470 1656 2512 2602 2579 2481 j <br /> <br />26 <br /> <br />J <br />I <br />