Sumo pfupi
Zita rechigadzirwa: Cerium
Formula: Ce
Nhamba yeCAS: 7440-45-1
Molecular uremu: 140.12
Density: 6.69g/cm3
Kunyungudika: 795 °C
Chitarisiko: Sirivha bundu zvidimbu, ingots, tsvimbo, foil, waya, nezvimwe.
Kugadzikana: Easy oxidized mumhepo.
Ductibility: Zvakanaka
Mitauro yakawanda: Cerium Metal
Product Code | 5864 | 5865 | 5867 |
Giredhi | 99.95% | 99.9% | 99% |
CHEMICAL COMPOSITION | |||
Ce/TREM (% min.) | 99.95 | 99.9 | 99 |
TREM (% min.) | 99 | 99 | 99 |
Rare Earth Impurities | % max. | % max. | % max. |
La/TREM Pr/TREM Nd/TREM Sm/TREM Eu/TREM Gd/TREM Y/TREM | 0.05 0.05 0.05 0.01 0.005 0.005 0.01 | 0.1 0.1 0.05 0.01 0.005 0.005 0.01 | 0.5 0.5 0.2 0.05 0.05 0.05 0.1 |
Zvisina-Rare Earth Impurities | % max. | % max. | % max. |
Fe Si Ca Al Mg Mo O C Cl | 0.15 0.05 0.03 0.08 0.05 0.03 0.03 0.03 0.03 | 0.2 0.05 0.05 0.1 0.05 0.03 0.05 0.05 0.03 | 0.3 0.1 0.1 0.2 0.1 0.05 0.05 0.05 0.05 |
- Catalysts muindasitiri yemotokari: Cerium inoshandiswa zvakanyanya mu catalytic converters kuderedza zvinokuvadza zvinobuda kubva mukati memoto injini. Iyo inobatsira mukuokisisa kwekabhoni monoxide uye mahydrocarbons, nekudaro ichiwedzera kugona kwese kweiyo mota inobuda system. Kugona kweCerium kuchengeta nekuburitsa okisijeni kunoita kuti ive chinhu chakakosha munzira nhatu dzinobatsira dzinobatsira kuchenesa mweya.
- Girazi uye Ceramics: Cerium dioxide chinhu chakakosha mukugadzirwa kwegirazi uye ceramics. Iyo inoshanda seye polishing agent, ichipa kupedzisa kwepamusoro-soro kune girazi pamusoro. Uye zvakare, cerium makomputa anoshandiswa kusimudzira optical zvimiro zvegirazi, kuita kuti iwedzere kupikisa UV radiation uye kuwedzera kusimba kwayo. Ichi chishandiso chinonyanya kukosha mukugadzirwa kwezvigadzirwa zvegirazi zvemhando yepamusoro senge lenzi uye zviratidzo.
- Alloying Additive: Cerium inoshandiswa sealloying mumiriri kune akasiyana simbi, kusanganisira aluminium nesimbi. Kuwedzerwa kwecerium kunovandudza michina yeaya alloys, akadai sesimba, ductility, uye oxidation kuramba. Cerium-ine alloys anoshandiswa mune aerospace, mota, uye kuvaka zvikumbiro uko kukwidziridzwa kuita uye kusimba kwakakosha.
- Phosphors mukuvhenekera uye kuratidza: Cerium chinhu chakakosha che phosphor zvinhu zvinoshandiswa mumarambi efluorescent uye mwenje we LED. Inobatsira kushandura ultraviolet chiedza kuva chiedza chinooneka, kuvandudza kushanda uye ruvara rwemhando yechiedza chakabudiswa. Pamusoro pezvo, cerium-doped zvinhu zvinoshandiswawo mukuratidzira matekinoroji senge maTV nemakomputa skrini kuti uwedzere kuberekana kwemavara uye kupenya.
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