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inn" Stamm V'4 <br /> Cj <br /> am <br /> .61 <br /> pH <br /> Fig. 16. Eh-pH diagram in the U-02-CO2iH20 <br /> showing the stability i ields of <br /> Fig. 15. Aqueous equilibrium diagram of the U-02-H20-CO2 Solid-solution boundaries are drawn <br /> system at 250C. and I atm. , and with Pc02 constant at 10-6 (o.24 ppm) dissolved uran- <br /> at 10-3.4 atm. Boundaries of solid phases are ium species (Langmuir, 1978) . <br /> lines) . Formulas designating fields for solid <br /> phases are underlined. (Hostetler and Carrels, <br /> 1962) <br />