Statements (91)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:chemical_compound
|
gptkbp:bfsLayer |
6
|
gptkbp:bfsParent |
gptkb:Periodic_Table_of_Elements
gptkb:Sable_Resources_Ltd. gptkb:Mr._and_Mrs._Zirconium gptkb:Proton-41 |
gptkbp:accessories |
mined in Australia
mined in Brazil mined in China mined in India mined in South Africa |
gptkbp:application |
used in automotive parts
used in jewelry used in heat exchangers used in chemical processing equipment used in surgical instruments |
gptkbp:category |
transition metal
|
gptkbp:clinical_trial |
biocompatible material
|
gptkbp:color |
silvery-white
gray-white |
gptkbp:cooling_system |
22.6 W/(m· K)
|
gptkbp:difficulty |
4.5 (Mohs scale)
4.5 on Mohs scale |
gptkbp:discovered_by |
gptkb:Martin_Heinrich_Klaproth
|
gptkbp:ecological_role |
low toxicity
non-essential element |
gptkbp:electronegativity |
1.33
1.33 (Pauling scale) |
gptkbp:historical_source |
zirconium silicate
baddeleyite |
https://www.w3.org/2000/01/rdf-schema#label |
Zirconium
|
gptkbp:isotopes |
gptkb:40
Zr-90 Zr-91 Zr-92 Zr-94 Zr-96 Zirconium-90 Zirconium-91 Zirconium-92 Zirconium-94 Zirconium-96 |
gptkbp:location |
gptkb:Australia
gptkb:Brazil gptkb:India gptkb:South_Africa gptkb:United_States |
gptkbp:mass |
91.224 u
|
gptkbp:material |
Zirconium-copper
Zirconium-hafnium Zirconium-niobium Zirconium-tin used in various metal alloys |
gptkbp:melting_point |
1855 ° C
4377 ° C |
gptkbp:notable_conductors |
1.0 × 10^6 S/m
|
gptkbp:occurs_in |
found in sedimentary rocks
found in metamorphic rocks found in igneous rocks found in minerals such as zircon and baddeleyite |
gptkbp:population |
6.52 g/cm³
|
gptkbp:produced_by |
produced from baddeleyite ore
produced from zircon sand |
gptkbp:products |
Zirconium silicate
Zirconium carbide Zirconium dioxide Zirconium nitride Zirconium phosphate Zirconium sulfate Zirconium chloride |
gptkbp:safety_features |
non-toxic
not considered a carcinogen safe for use in dental applications safe for use in food contact materials safe for use in medical devices |
gptkbp:social_structure |
hexagonal close-packed
0, +2, +3, +4 |
gptkbp:symbol |
Zr
|
gptkbp:uses |
gptkb:beer
aerospace applications nuclear reactors dental materials used in aerospace applications used in nuclear reactors used in dental ceramics |
gptkbp:was_a_response_to |
reacts with halogens
reacts with acids resistant to corrosion reacts with oxygen reacts with nitrogen |
gptkbp:year_created |
1789
|