Statements (64)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:chemical_compound
|
| gptkbp:bfsLayer |
6
|
| gptkbp:bfsParent |
gptkb:Thorium-232
|
| gptkbp:application |
phosphors
thorium reactors gas mantles high-temperature ceramics |
| gptkbp:category |
actinide
|
| gptkbp:color |
silvery-white
|
| gptkbp:developed_by |
from monazite ore
|
| gptkbp:diplomatic_relations |
fertile material
can breed uranium-233 |
| gptkbp:discovered_by |
gptkb:Marie_Curie
1898 |
| gptkbp:dissolved |
insoluble in water
|
| gptkbp:environmental_impact |
low compared to uranium
|
| https://www.w3.org/2000/01/rdf-schema#label |
natural thorium
|
| gptkbp:isotopes |
gptkb:Th-229
gptkb:Th-235 gptkb:Th-232 90 Th-228 Th-230 Th-231 Th-234 Th-236 Th-237 Th-238 Th-239 Th-240 Th-241 Th-242 Th-243 Th-244 Th-245 Th-246 Th-247 Th-248 Th-249 Th-250 weakly radioactive |
| gptkbp:lifespan |
14 billion years
|
| gptkbp:melting_point |
1,750 ° C
4,500 ° C |
| gptkbp:occurs_in |
found in monazite sand
in minerals in rare earth elements in the Earth's crust |
| gptkbp:population |
11.7 g/cm³
|
| gptkbp:products |
thorium carbonate
thorium dioxide thorium fluoride thorium nitrate thorium sulfate |
| gptkbp:research |
in nuclear waste management
in advanced reactors in medical applications in radiation shielding in thorium fuel cycle |
| gptkbp:safety_features |
regulated by nuclear authorities
|
| gptkbp:side_effect |
low toxicity
|
| gptkbp:symbol |
Th
|
| gptkbp:uses |
gptkb:railway_station
radiological research |