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Table 2 Vapor Pressures Over Solid UO2 Calculated from Equations of Ackermann et al. and of Tetenbaum and Hunt

Temperature

K

UO2 Pressure

MPa

(Ackermann et al.)

Total Pressure

MPa

(Tetenbaum & Hunt)

1800

1900

2000

2.05 x 10-10

1.67 x 10-09

1.10 x 10-08

-

-

9.42 x 10-09

2100

2200

2300

2400

2500

5.98 x 10-08

2.77 x 10-07

1.12 x 10-06

3.96 x 10-06

1.26 x 10-05

5.23 x 10-08

2.49 x 10-07

1.03 x 10-06

3.81 x 10-06

1.27 x 10-05

2600

2700

2800

2900

3000

3.62 x 10-05

9.54 x 10-05

2.31 x 10-04

5.22 x 10-04

1.10 x 10-03

3.83 x 10-05

1.07 x 10-04

2.77 x 10-04

6.74 x 10-04

1.54 x 10-03

3100 2.17 x 10-03 3.34 x 10-03



Assessed 1997
Version 0 for Peer Review