Cerium oxide, ʻO ka hoʻohālike molekulaCeO2, kapa inoa Pākē:Cerium(IV) oxide, kaumaha molekalale: 172.11500.Hiki ke hoʻohana ʻia e like me nā mea polishing, catalyst, catalyst carrier (kōkua), ultraviolet absorber, wahie cell electrolyte, automotive exhaust absorber, Electroceramics, etc.
Waiwai kemika
Ma ka mahana o 2000 ℃ a me ke kaomi o 15 MPa, hiki ke loaʻa ka Cerium(III) oxide ma ka hoʻemi hydrogen o ka cerium oxide.Ke kaʻawale ka mahana ma 2000 ℃, a noa ke kaomi ma 5 MPa, he melemele iki ka cerium oxide, ʻulaʻula iki, a ʻulaʻula.
Waiwai kino
ʻO nā huahana maʻemaʻe he pauda kaumaha keʻokeʻo a i ʻole nā kristal cubic, ʻoiai ʻo nā huahana haumia he melemele māmā a ʻulaʻula paha i ʻulaʻula ʻulaʻula (no ka loaʻa ʻana o ka nui o ka lanthanum, praseodymium, etc.).
Density 7.13g/cm3, helu heheʻe 2397 ℃, kahi paila 3500 ℃..
ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai a me ka alkali, hiki ke hoʻoheheʻe iki ʻia i ka waikawa.
ʻO ka ʻawaʻawa, Median lethal dose (iole, waha) ma kahi o 1g/kg.
Hana hana
ʻO ke ʻano hana o ka cerium oxide ka nui o ka oxalic acid precipitation, ʻo ia hoʻi, ka lawe ʻana i ka cerium chloride a i ʻole Cerium nitrates solution ma ke ʻano he kumu waiwai, hoʻoponopono i ka waiwai Ph i ka 2 me ka oxalic acid, hoʻohui i ka ammonia e hoʻoheheʻe i ka Cerium oxalate, hoʻomehana, oo, hoʻokaʻawale, holoi. , hoʻomaloʻo ma 110 ℃, a me ke ahi ma 900 ~ 1000 ℃ e hana i ka cerium oxide.
CeCl2+H2C2O4+2NH4OH → CeC2O4+2H2O+2NH4Cl
Palapala noi
Nā mea hoʻoheheʻe.Catalysts no ka pane Organic.E hoʻohana i nā laʻana maʻamau maʻamau honua no ka nānā ʻana i ke kila.ʻO ka nānā ʻana i ka titration redox.Kiʻi aniani ʻeleʻele.Pale aniani enamel.Pākuʻi pale wela.
Hoʻohana ʻia ma ke ʻano he mea hoʻohui i ka ʻoihana aniani, ma ke ʻano he mea wili no ke aniani kīʻaha, a ʻo ia hoʻi ma ke ʻano he mea pale UV i nā mea hoʻonaninani.I kēia manawa, ua hoʻonui ʻia i ka wili ʻana o nā aniani, nā lens optical, a me nā paipu kiʻi, e pāʻani ana i kahi hana i ka decolorization, clarification, UV absorption o ke aniani, a me ka absorption o nā laina uila.
ʻO ka hopena poʻi ʻole o ka honua
Loaʻa iā Rare earth polishing powder nā mea maikaʻi o ka wikiwiki polishing wikiwiki, kiʻekiʻe maʻalahi, a me ke ola lawelawe lōʻihi.Ke hoʻohālikelike ʻia me ka pauka polishing maʻamau - ka pauka ʻulaʻula hao, ʻaʻole ia e hoʻohaumia i ke kaiapuni a maʻalahi ke wehe ʻia mai ka mea i hoʻopili ʻia.ʻO ka hoʻomaʻamaʻa ʻana i ka lens me ka cerium oxide polishing pauda he hoʻokahi minuke e hoʻopau ai, aʻo ka hoʻohana ʻana i ka pauka polishing iron oxide he 30-60 mau minuke.No laila, ʻoi aku ka maikaʻi o ka pauka polishing honua maʻamau o ka haʻahaʻa haʻahaʻa, ka wikiwiki polishing wikiwiki, a me ka pono polishing kiʻekiʻe.A hiki iā ia ke hoʻololi i ka maikaʻi polishing a me ke kaiapuni hana.ʻO ka maʻamau, hoʻohana nui ʻia ka pauka polū aniani honua i ka cerium rich oxides.ʻO ke kumu o ka cerium oxide he pūhui polishing maikaʻi loa no ka mea hiki iā ia ke hoʻopololei i ke aniani ma o ka decomposition kemika a me ka friction mechanical.Hoʻohana nui ʻia ka lepo lāʻau cerium polishing powder no ka hoʻoliʻiliʻi ʻana i nā kāmera, nā lens kamera, nā paipu kīwī, nā aniani, a me nā mea ʻē aʻe.ʻO Baotou Tianjiao Qingmei Rare Earth Polishing Powder Co., Ltd., he hui hui ʻē aʻe o Sino, ʻo ia kekahi o nā hale hana pauka polū honua nui loa ma Kina, me ka mana hana makahiki o 1200 tons a me nā huahana i kūʻai ʻia ma ka ʻāina a me ka honua.
ʻO ke aniani decolorization
Loaʻa i nā aniani a pau ka hao oxide, hiki ke lawe ʻia i loko o ke aniani ma o nā mea maka, ke one, ka limestone, a me ke aniani haki i nā mea aniani.ʻElua ʻano o kona ola ʻana: ʻo ka hao divalent, ka mea e hoʻololi i ke kala aniani i uliuli ʻeleʻele, a ʻo kekahi he hao trivalent, e hoʻohuli i ke kala aniani i melemele.ʻO ka discoloration ka oxidation o nā ion hao divalent i hao trivalent, no ka mea, ʻo ka ikaika kala o ka hao trivalent he hoʻokahi hapaʻumi wale nō ia o ka hao divalent.A laila hoʻohui i kahi toner e hoʻokaʻawale i ke kala i kahi kala ʻōmaʻomaʻo māmā.
ʻO nā mea ʻeleʻele i hoʻohana ʻia no ka decolorization aniani ka nui o ka cerium oxide a me ka neodymium oxide.ʻO ka hoʻololi ʻana i ka mea hoʻoheheʻe keʻokeʻo keʻokeʻo keʻokeʻo maʻamau me ka mea hoʻonaninani aniani honua ʻaʻole e hoʻomaikaʻi wale i ka pono, akā pale pū i ka haumia o ka arsenic keʻokeʻo.ʻO ka Cerium oxide i hoʻohana ʻia no ka decolorization aniani he mau mea maikaʻi e like me ka hana paʻa kiʻekiʻe, ke kumu kūʻai haʻahaʻa, a ʻaʻohe absorption o ke kukui ʻike.
kala aniani
He mau waihoʻoluʻu kūpaʻa a ʻālohilohi i nā wela kiʻekiʻe, a hoʻohana ʻia e hoʻohui i loko o nā mea e hana ai i nā aniani kala like ʻole.ʻO nā oxides honua ʻokoʻa e like me ka neodymium, praseodymium, erbium, a me ka cerium he mau kala aniani maikaʻi loa.I ka wā e komo ai ke aniani alohilohi me nā kala ʻulaʻula honua i ka mālamalama ʻike ʻia me nā lōʻihi hawewe mai 400 a 700 nanometers, hōʻike ia i nā kala nani.Hiki ke hoʻohana ʻia kēia aniani kala no ka hana ʻana i nā pale kukui hōʻailona no ka mokulele a me ka hoʻokele, nā kaʻa kaʻa like ʻole, a me nā mea hoʻonaninani kiʻekiʻe.
Ke hoʻohui ʻia ka neodymium oxide i ke aniani calcium calcium a me ke aniani alakaʻi, pili ke kala o ke aniani i ka mānoanoa o ke aniani, ka ʻike o ka neodymium a me ka ikaika o ke kumu kukui.ʻO ke aniani lahilahi he ʻulaʻula māmā, a ʻo ke aniani mānoanoa he poni uliuli.Ua kapa ʻia kēia ʻano neodymium dichroism;Hoʻopuka ka Praseodymium oxide i ka ʻōmaʻomaʻo like me ka chromium;He ʻulaʻula ka Erbium(III) oxide ke hoʻohana ʻia i ke aniani Photochromism a me ke aniani aniani;ʻO ka hui pū ʻana o ka cerium oxide a me ka titanium dioxide e melemele ke aniani;Hiki ke hoʻohana ʻia ka Praseodymium oxide a me ka neodymium oxide no ke aniani ʻeleʻele praseodymium neodymium.
Mea hoʻomaʻamaʻa honua ʻokoʻa
ʻO ka hoʻohana ʻana i ka cerium oxide ma kahi o ka arsenic oxide kuʻuna ma ke ʻano he mea hoʻomaʻemaʻe aniani no ka wehe ʻana i nā ʻōhū a me ka ʻike ʻana i nā mea kala he hopena koʻikoʻi i ka hoʻomākaukau ʻana i nā hue aniani kala ʻole.ʻO ka huahana i hoʻopau ʻia he fluorescence keʻokeʻo keʻokeʻo, ʻike maikaʻi, a hoʻomaikaʻi i ka ikaika aniani a me ka pale wela.I ka manawa like, hoʻopau ia i ka pollution o arsenic i ke kaiapuni a me ke aniani.
Eia kekahi, hoʻohui i ka cerium oxide i ke aniani o kēlā me kēia lā, e like me ke kūkulu hale a me ke aniani kaʻa, ke aniani aniani, hiki ke hōʻemi i ka transmittance o ke kukui ultraviolet, a ua hoʻolaha ʻia kēia hoʻohana ma Iapana a me ʻAmelika Hui Pū ʻIa.Me ka hoʻomaikaʻi ʻana o ka maikaʻi o ke ola ma Kina, e loaʻa pū kekahi mākeke maikaʻi.ʻO ka hoʻohui ʻana i ka neodymium oxide i ka pūpū aniani o kahi paipu kiʻi hiki ke hoʻopau i ka lūlū ʻana o ke kukui ʻulaʻula a hoʻonui i ka mālamalama.ʻO nā aniani kūikawā me nā mea hoʻohui honua laha ʻole, ʻo ia ke aniani lanthanum, nona nā hiʻohiʻona refractive kiʻekiʻe a me nā hiʻohiʻona haʻahaʻa haʻahaʻa, a ua hoʻohana nui ʻia i ka hana ʻana i nā lens like ʻole, nā pahu kiʻi kiʻekiʻe, a me nā lens kamera, ʻoi aku ka nui o nā mea kiʻi kiʻekiʻe;ʻO ke aniani hōʻoia ʻo Ce radiation, hoʻohana ʻia no ke aniani kaʻa a me ke aniani kīwī TV;Hoʻohana ʻia ke aniani Neodymium e like me ka mea laser a ʻo ia ka mea kūpono loa no nā lasers nunui, i hoʻohana nui ʻia no nā mea hoʻokele Nuclear fusion.
Ka manawa hoʻouna: Jul-06-2023