Click here to make tpub.com your Home Page

Page Title: Appendix A - Values of Significant Physical, Chemical, Radiological Properties of HT, HT O, STCS
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home

   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 



DOE-HDBK-1184-2004
APPENDIX A VALUES OF SIGNIFICANT PHYSICAL, CHEMICAL, AND RADIOLOGICAL
PROPERTIES OF HT, HT O, AND STCS
Physical/Chemical Properties
Atomic weight1 of a tritium atom
3.01605 g/mole
Diameter of a tritium atom (approximate)  1
1.1 Angstroms
Dissociation energy1, T2 to 2T
4.59 eV
Ionization energy1, T to T+ e-
13.55 eV
Gram molecular weight of tritium1 (T2)
6.0321 g
Density of tritium gas (T2) at STP1
0.269122 g/l
Boiling point of tritium (T2) at 1
25.0 K
atmosphere1
Physical/Radiological Properties
Half Life1
12.323 0.004 years
Biological Half Life
Approximately 10 days
Tritium decay factor1
0.99984601/day
Maximum beta energy of decay (Emax ) 1
18.6 keV
Mean beta energy of decay (Emean) 1
5.69 keV
Volume of 1 Ci of tritium at STP1
0.386 ml
Specific Activity of tritium gas (T2) 1
9619 Ci/g
Activity per mole, T2 gas1
58023 Ci/mole
Activity per volume of T2 at STP1
2589 Ci/l
Activity per volume at 1 ATM pressure and
2372 Ci/l
25oC1
Activity per volume of tritiated water1 (T2O)
3200 Ci/cm3
Range of Tritium Beta Particles (18.6 Kev):
Independent of density
0.59 mg/cm2
In Air1
0.45 cm
In Water1
0.0006 cm
In Tissue1
0.0007 cm
Dosimetric Properties
Thumb-rules for Dose Conversion
6 x 10-2 mrem CEDE/Ci
Dose from a single intake of HTO per
activity taken up by the body1
Dose from a single intake of HTO per
3 mrem CEDE/ Ci/l in urine
activity in urine1
4.3 x 10- 6 (rem/hr)/(Ci/ m3)
Effective dose rate from inhalation of HT
67


Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business