plutonium-238

GPTKB entity

Statements (55)
Predicate Object
gptkbp:instance_of gptkb:isotope
gptkbp:bfsLayer 3
gptkbp:bfsParent gptkb:radio_station
gptkbp:accessories faces supply challenges due to production limits
limited supply from specific reactors
gptkbp:application gptkb:spacecraft
used in scientific research
gptkbp:children uranium-234
gptkbp:color silvery-gray
gptkbp:composed_of produced in nuclear reactors
reacts with oxygen and halogens
gptkbp:current_use used in some types of nuclear reactors
gptkbp:discovered_by gptkb:1940
gptkb:Glenn_T._Seaborg
gptkbp:dissolved soluble in nitric acid
gptkbp:engine_type produced in thermal reactors
gptkbp:environmental_impact can contaminate soil and water
gptkbp:first_introduced gptkb:Viking_program
https://www.w3.org/2000/01/rdf-schema#label plutonium-238
gptkbp:is_a_fusion_of not used in fusion reactions
gptkbp:isotopes 94
high
actinide
plutonium
238.02891 u
not fissile
used in various applications beyond space exploration
behaves differently under neutron bombardment
discovered as a byproduct of uranium fission
has unique properties for energy generation
important in nuclear physics studies
relatively stable compared to other isotopes
used in deep space missions
gptkbp:lifespan 87.7 years
gptkbp:mass approximately 10 kg
238.04956 u
gptkbp:melting_point 3228 ° C
640 ° C
gptkbp:mode alpha decay
gptkbp:parent neptunium-238
gptkbp:population 19.86 g/cm³
gptkbp:power_output high energy density
gptkbp:produced_by neutron capture in uranium-235
gptkbp:regulatory_compliance regulated by nuclear authorities
subject to international nuclear treaties
gptkbp:research_areas studied by various research institutions
gptkbp:safety_features radioactive material
requires shielding and containment
requires strict safety protocols during handling
gptkbp:storage must be stored in secure facilities
gptkbp:symbol Pu-238
gptkbp:thermal_design_power generates heat through decay
gptkbp:uses radioisotope thermoelectric generators
gptkbp:was_a_response_to reactive with moisture and air
gptkbp:water_management considered a type of nuclear waste