|
gptkbp:instanceOf
|
chemical element
|
|
gptkbp:accessories
|
limited
|
|
gptkbp:application
|
capacitors
jet engines
surgical instruments
|
|
gptkbp:category
|
transition metal
|
|
gptkbp:challenges
|
6.5 on Mohs scale
|
|
gptkbp:chemicalFormula
|
+5
|
|
gptkbp:colors
|
gray
|
|
gptkbp:compatibleWith
|
high
|
|
gptkbp:distribution
|
16.654 g/cm³
|
|
gptkbp:environmentalImpact
|
57 W/(m·K)
|
|
gptkbp:established
|
Anders Gustav Ekeberg
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Tantalum
|
|
gptkbp:iceClass
|
3017 °C
5458 °C
|
|
gptkbp:impedance
|
13.3 nΩ·m
|
|
gptkbp:internationalClassification
|
low
|
|
gptkbp:is_available_in
|
granite
pegmatites
minerals like tantalite
|
|
gptkbp:ISO639-3
|
Tantalum-181
|
|
gptkbp:market
|
growing
|
|
gptkbp:material
|
tantalum carbide
niobium-tantalum alloys
|
|
gptkbp:notableWork
|
gptkb:Australia
gptkb:Brazil
gptkb:Canada
gptkb:Democratic_Republic_of_the_Congo
gptkb:Rwanda
|
|
gptkbp:numberOfFigures
|
73
|
|
gptkbp:occursAnnually
|
rare metal
|
|
gptkbp:offers
|
volatile
|
|
gptkbp:productionCompany
|
coltan
|
|
gptkbp:productionLocation
|
limited to few countries
|
|
gptkbp:related_to
|
gptkb:tantalum_chloride
tantalum pentoxide
tantalum_sulfide
|
|
gptkbp:releaseYear
|
1802
|
|
gptkbp:research
|
ongoing
|
|
gptkbp:safety
|
non-toxic
|
|
gptkbp:supplyChain
|
complex
|
|
gptkbp:symbol
|
Ta
|
|
gptkbp:torque
|
excellent
|
|
gptkbp:uses
|
aerospace
electronics
medical implants
|
|
gptkbp:waterManagement
|
recyclable
|