Iimveliso
Aluminiyam | |
Uphawu | Al |
Isigaba kwi-STP | eqinileyo |
Indawo yokunyibilika | 933.47 K (660.32 °C, 1220.58 °F) |
Indawo yokubilisa | 2743 K (2470 °C, 4478 °F) |
Ubuninzi (kufuphi ne-rt) | 2.70 g/cm3 |
xa ulwelo (kwi mp) | 2.375 g/cm3 |
Ubushushu bomxube | 10.71 kJ / mol |
Ubushushu bomphunga | 284 kJ/mol |
Umthamo wobushushu beMolar | 24.20 J/(mol·K) |
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I-Aluminiyam oxide yealpha-isigaba 99.999% (isiseko sesinyithi)
I-Aluminiyam oxide (Al2O3)yikristale emhlophe okanye ephantse yangenambala, kunye nekhemikhali yealuminiyam neoksijini. Yenziwe kwi-bauxite kwaye ngokuqhelekileyo ibizwa ngokuba yi-alumina kwaye inokubizwa ngokuba yi-aloxide, i-aloxite, okanye i-alundum ngokuxhomekeke kwiifom okanye izicelo ezithile. I-Al2O3 ibalulekile ekusetyenzisweni kwayo ukuvelisa isinyithi se-aluminium, njenge-abrasive ngenxa yobunzima bayo, kwaye njengento ephikisayo ngenxa yendawo ephezulu yokunyibilika kwayo.