Hoʻolauna pōkole
inoa huahana: Lanthanum
Kumu: La
Helu CAS: 7439-91-0
Kaumaha Molekala: 138.91
Māmā: 6.16 g/cm3
Ka helu hehee: 920 ℃
Ke ʻano: ʻāpana ʻāpana kālā, ingots, lāʻau, foil, uea, etc.
Paʻa: Hoʻopaʻa maʻalahi i ka lewa.
Ductibility: Maikaʻi
'Ōlelo Nui: Lanthan Metall , Metal De Lanthane, Metal Del Lantano
Code Huahana | 5764 | 5765 | 5767 |
Papa | 99.95% | 99.9% | 99% |
HANA KEMIIKA | |||
La/TREM (% min.) | 99.95 | 99.9 | 99 |
TREM (% min.) | 99.5 | 99.5 | 99 |
Na Laka Laha ole | % ka nui. | % ka nui. | % ka nui. |
Ce/TREM Pr/TREM Nd/TREM Sm/TREM Eu/TREM Gd/TREM Y/TREM | 0.05 0.01 0.01 0.001 0.001 0.001 0.001 | 0.05 0.05 0.01 0.005 0.005 0.005 0.01 | 0.1 0.1 0.1 0.1 0.1 0.1 0.1 |
ʻO nā mea haumia honua ʻole | % ka nui. | % ka nui. | % ka nui. |
Fe Si Ca Al Mg C Cl | 0.1 0.025 0.01 0.05 0.01 0.03 0.01 | 0.2 0.03 0.02 0.08 0.03 0.05 0.02 | 0.5 0.05 0.02 0.1 0.05 0.05 0.03 |
1. Agena Alloying:
- Ke kila a me ka Aluminum Alloys: Hoʻohana ʻia ʻo Lanthanum ma ke ʻano he mea hoʻohuihui e hoʻomaikaʻi i nā waiwai o nā metala like ʻole. I ka hana kila, kōkua ka lanthanum e hoʻonui i ka ikaika, ductility, a me ke kū'ē i ka corrosion. He mea waiwai nui ia i ka hana ʻana i nā kila kiʻekiʻe i hoʻohana ʻia i nā wahi koi, e like me ka aerospace a me nā ʻoihana automotive.
- Magnesium Alloys: Hoʻohana pū ʻia ʻo Lanthanum i nā alloys magnesium e hoʻomaikaʻi i ko lākou kūpaʻa kiʻekiʻe-mehana, kūpaʻa creep, a me nā waiwai mechanical āpau. Hoʻohana ʻia kēia mau magnesium alloys i nā noi kahi e koi ʻia ai nā mea māmā, ikaika kiʻekiʻe, e like me nā ʻāpana kaʻa, nā hale mokulele, a me nā mea uila uila.
2. Hoʻopaʻa wai hydrogen:
- ʻO Nickel-Metal Hydride (NiMH) Bateri: ʻO Lanthanum kahi mea koʻikoʻi i ka hana ʻana i nā pihi NiMH, i hoʻohana nui ʻia i nā kaʻa uila hybrid (HEV), nā uila uila, a me nā mea hana mana. ʻO ka hiki o ka metala ke hoʻopaʻa a hoʻokuʻu i ka hydrogen pono e lilo ia i mea pono no ka electrode maikaʻi ʻole o ka pākaukau, e hāʻawi ana i ka nui o ka ikehu a me ka lōʻihi o ke ola.
3. Catalysis:
- Catalytic Converters: Hoʻohana ʻia ʻo Lanthanum i nā mea hoʻololi catalytic automotive, e hōʻemi ana i nā hoʻokuʻu ʻino mai nā kaʻa. Hana ia ma ke ʻano he stabilizer no ke kākoʻo alumina i loko o ka catalyst, e hoʻonui ana i ka pono a me ka lōʻihi o ka mea catalytic, e kōkua ana i ka hoʻohuli ʻana i nā kinoea ʻona e like me carbon monoxide a me nā nitrogen oxides i mau mea ʻino.
- Hoʻomaʻemaʻe Petroleum: Hoʻohana ʻia ʻo Lanthanum i nā mea hoʻoheheʻe catalytic cracking (FCC) i hoʻohana ʻia i ka hoʻomaʻemaʻe ʻaila e wāwahi i nā hydrocarbons kaumaha i nā ʻāpana māmā e like me ka ʻaila a me ka diesel. Kōkua ʻo Lanthanum i ka hoʻonui ʻana i ka hana a me ke koho ʻana o nā catalysts, hoʻomaikaʻi i ka hua o nā huahana i makemake ʻia a me ka pono o ka hana hoʻomaʻemaʻe.
4. Keaniani a me ka Seramika:
- Nā Makaaniani Optical: Hoʻohana ʻia ʻo Lanthanum i ka hana ʻana i nā aniani optical, kahi e kōkua ai i ka hoʻomaikaʻi ʻana i ka index refractive a me ka mālamalama optical. Hoʻohana ʻia nā aniani me ka Lanthanum i nā lens kamera, binoculars, a me nā mea hana optical kiʻekiʻe, kahi e koʻikoʻi ai ka pololei a me ka maopopo.
- Nā Mea Hana: Hoʻohana pū ʻia ʻo Lanthanum i ka hana ʻana i nā seramika holomua, kahi e hoʻonui ai i ke kūpaʻa wela, nā waiwai dielectric, a me ka ikaika mechanical. Hoʻohana ʻia kēia mau seramika i nā noi e like me ka uila, kelepona, a me nā wahi wela kiʻekiʻe.
5. Ke kukui:
- Nā kukui kalapona kalapona: Ma ka mōʻaukala, ua hoʻohana ʻia ka lanthanum i ka hana ʻana i nā kukui kalapona kalapona, kahi i hoʻohana nui ʻia i nā ʻoihana kiʻiʻoniʻoni a me nā kīwī no nā kukui studio ma muli o ko lākou puka māmā a paʻa. ʻOiai ʻaʻole maʻamau i kēia lā, ʻo ke kuleana o lanthanum i nā noi kukui e hōʻike ana i kona hiki ke hoʻonui i nā mea hoʻomāmā.
- Nā Phosphors i ke kukui LED: Hoʻohana ʻia ʻo Lanthanum i ka hana ʻana i nā phosphors no nā kukui LED a me nā ʻenehana hōʻike. Kōkua nā phosphors i hoʻokumu ʻia i ka Lanthanum i ka hoʻomaikaʻi ʻana i ka ʻōlinolino, ka maikaʻi, a me ke kala kala o nā LED, i hoʻohana nui ʻia i nā ʻōnaehana kukui hou, nā hōʻike, a me nā hōʻailona.
6. Nā polokalamu Nukelea:
- Nā ʻāpana Nuclear Reactor: Hoʻohana ʻia ka Lanthanum i kekahi mau mea hoʻoheheʻe nuklea ma muli o kāna mau mea hoʻoheheʻe neutron. Hoʻohana ʻia ia i nā koʻokoʻo mana a me nā ʻāpana reactor ʻē aʻe kahi e hoʻomalu ai i ka wikiwiki o ka fission a me ka mālama ʻana i nā hopena nuklea he mea koʻikoʻi no ka hana reactor palekana a maikaʻi.
7. Noi Lapaau:
- Radiographic Contrast Agents: Hoʻohana ʻia nā pūhui Lanthanum i ke kiʻi lāʻau lapaʻau ma ke ʻano he mea hoʻohālikelike no ka nānā ʻana i ka X-ray a me MRI. Kōkua kēia mau mea hana i ka hoʻonui ʻana i ka ʻike ʻana o kekahi mau hale i loko o ke kino, e kōkua ana i ka hōʻoia pololei ʻana i nā ʻano maʻi olakino.
- Hoʻohou Iwi: Ke noiʻi ʻia nei ʻo Lanthanum no kona hoʻohana ʻana i nā lāʻau lapaʻau hoʻolaʻa iwi, kahi e pāʻani ai ia i ka hoʻonui ʻana i ka ulu a me ka hoʻoponopono ʻana i ka iwi iwi.
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