Awọn ọja
Cerium, ọdun 58 | |
Nọmba atomiki (Z) | 58 |
Ipele ni STP | ṣinṣin |
Ojuami yo | 1068 K (795 °C, 1463 °F) |
Oju omi farabale | 3716 K (3443 °C, 6229 °F) |
iwuwo (nitosi RT) | 6,770 g / cm3 |
nigbati omi (ni mp) | 6,55 g / cm3 |
Ooru ti idapọ | 5,46 kJ/mol |
Ooru ti vaporization | 398 kJ/mol |
Molar ooru agbara | 26.94 J/ (mol·K) |
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Cerium (Ce) Oxide
Cerium Oxide, tun mọ bi cerium dioxide,Cerium (IV) Afẹfẹtabi cerium dioxide, jẹ ohun elo afẹfẹ ti cerium irin ilẹ to ṣọwọn. O ti wa ni a bia ofeefee-funfun lulú pẹlu awọn kemikali agbekalẹ CeO2. O jẹ ọja iṣowo ti o ṣe pataki ati agbedemeji ni isọdọtun ti nkan lati awọn irin. Ohun-ini iyasọtọ ti ohun elo yii jẹ iyipada iyipada rẹ si oxide ti kii-stoichiometric.
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Cerium (III) Erogba
Cerium (III) Carbonate Ce2 (CO3) 3, jẹ iyọ ti a ṣe nipasẹ cerium (III) cations ati awọn anions carbonate. O jẹ orisun omi ti a ko le yanju omi ti Cerium ti o le ni rọọrun yipada si awọn agbo ogun Cerium miiran, gẹgẹbi ohun elo afẹfẹ nipasẹ alapapo (calcin0ation) .
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Cerium Hydroxide
Cerium(IV) Hydroxide, ti a tun mọ ni ceric hydroxide, jẹ orisun omi kirisita ti a ko le yo ti o ga pupọ fun awọn lilo ti o ni ibamu pẹlu awọn agbegbe pH giga (ipilẹ). O jẹ agbo aibikita pẹlu agbekalẹ kemikali Ce(OH)4. O jẹ lulú ofeefee ti o jẹ insoluble ninu omi ṣugbọn tiotuka ninu awọn acids ogidi.
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Cerium (III) Oxalate Hydrate
Cerium (III) Oxalate (Cerous Oxalate) jẹ iyọ cerium inorganic ti oxalic acid, eyiti o jẹ insoluble pupọ ninu omi ati iyipada si ohun elo afẹfẹ nigbati o gbona (calcined). O ti wa ni a funfun kirisita ri to pẹlu awọn kemikali agbekalẹ tiCe2 (C2O4)3.O le gba nipasẹ ifesi oxalic acid pẹlu cerium(III) kiloraidi.