Aluminum oxide alpha-phase 99.999% (tushen ƙarfe)
| AluminumOxide | |
| Lambar CAS | 1344-28-1 |
| Tsarin sinadarai | Al2O3 |
| Molar nauyi | 101.960 g · mol −1 |
| Bayyanar | farin tauri |
| Ƙamshi | babu wari |
| Yawan yawa | 3.987g/cm3 |
| Wurin narkewa | 2,072°C(3,762°F;2,345K) |
| Wurin tafasa | 2,977°C(5,391°F;3,250K) |
| Narkewa a cikin ruwa | wanda ba ya narkewa |
| Narkewa | ba ya narkewa a cikin dukkan sinadarai masu narkewa |
| logP | 0.3186 |
| Mai sauƙin jurewa ta hanyar maganadisu(χ) | −37.0×10−6cm3/mol |
| Maida wutar lantarki ta thermal | 30W·m−1·K−1 |
Bayanin Kasuwanci donAluminum oxide
| Alamar | Lu'ulu'uNau'in Tsarin | Al2O3≥(%) | Mat na Ƙasashen Waje≤(%) | Girman Ƙwayoyin Cuku | ||
| Si | Fe | Mg | ||||
| UMAO3N | a | 99.9 | - | - | - | 1~5μm |
| UMAO4N | a | 99.99 | 0.003 | 0.003 | 0.003 | 100~150nm |
| UMAO5N | a | 99.999 | 0.0002 | 0.0002 | 0.0001 | 0.2~10μm |
| UMAO6N | a | 99.9999 | - | - | - | 1 ~ 10μm |
Marufi: an naɗe shi a cikin bokiti kuma an rufe shi da haɗin ethylene, nauyinsa shine kilogiram 20 a kowace bokiti.
Menene amfani da aluminum oxide?
Alumina (Al2O3)Yana aiki a matsayin kayan aiki don samfuran yumbu masu ci gaba da yawa kuma a matsayin wakili mai aiki a cikin sarrafa sinadarai, gami da masu shaye-shaye, masu kara kuzari, ƙananan na'urori masu auna sinadari, masana'antar sararin samaniya, da sauran fannoni na fasaha. Halaye mafi kyau na alumina na iya bayarwa sun sa ya dace don amfani a aikace-aikace da yawa. Wasu daga cikin aikace-aikacen da aka fi amfani da su a wajen samar da aluminum an jera su a ƙasa. Masu cikawa. Kasancewar suna da sinadarai marasa aiki da fari, aluminum oxide shine abin cikawa da aka fi so ga robobi. Gilashi. Yawancin tsari na gilashi suna da aluminum oxide a matsayin sinadari. Catalysis Aluminum oxide yana haɓaka nau'ikan halayen da ke da amfani a masana'antu. Tsarkakewar iskar gas. Ana amfani da aluminum oxide sosai don cire ruwa daga rafukan gas. Mai kauri. Ana amfani da aluminum oxide don tauri da ƙarfi. Fenti. Ana amfani da flakes na aluminum oxide a cikin fenti don tasirin ado mai haske. Zaren hade. An yi amfani da aluminum oxide a cikin wasu kayan zare na gwaji da kasuwanci don aikace-aikacen aiki mai girma (misali, Fiber FP, Nextel 610, Nextel 720). Sulken Jiki. Wasu sulken jiki suna amfani da faranti na yumbu na alumina, yawanci tare da haɗin gwiwa da aramid ko UHMWPE don cimma tasiri akan yawancin barazanar bindiga. Kariyar lalata. Ana iya haɓaka oxide na aluminum azaman shafi akan aluminum ta hanyar anodizing ko ta hanyar iskar oxygen ta plasma. Rufin lantarki. Aluminum oxide wani abu ne mai hana lantarki wanda ake amfani da shi azaman substrate (silicon akan sapphire) don da'irori masu haɗawa amma kuma azaman shingen rami don ƙera na'urori masu ɗaukar nauyi kamar transistor na lantarki guda ɗaya da na'urorin tsangwama na quantum (SQUIDs).
Aluminum oxide, kasancewarsa dielectric tare da babban gibin band, ana amfani da shi azaman shinge mai rufewa a cikin capacitors. A cikin haske, ana amfani da aluminum oxide mai haske a cikin wasu fitilun tururin sodium. Hakanan ana amfani da aluminum oxide wajen shirya dakatarwar rufi a cikin ƙananan fitilun fluorescent. A cikin dakunan gwaje-gwaje na sunadarai, aluminum oxide matsakaici ne don chromatography, wanda ake samu a cikin asali (pH 9.5), acidic (pH 4.5 lokacin da yake cikin ruwa) da kuma tsari mai tsaka tsaki. Aikace-aikacen lafiya da na likita sun haɗa da shi azaman kayan maye gurbin kwatangwalo da magungunan hana haihuwa. Ana amfani da shi azaman scintillator da dosimeter don kariyar radiation da aikace-aikacen magani don halayen hasken da ke motsa shi. Sau da yawa ana ƙera rufin don tanderun zafi mai zafi daga aluminum oxide. Ana amfani da ƙananan guntu na aluminum oxide azaman tafasasshen guntu a cikin sinadarai. Hakanan ana amfani da shi don yin masu hana walƙiya. Ta amfani da tsarin fesawa na plasma kuma an haɗa shi da titania, ana shafa shi a saman birki na wasu gefen keke don samar da gogewa da juriya ga lalacewa. Yawancin idanun yumbu akan sandunan kamun kifi zobba ne na zagaye da aka yi da aluminum oxide. A cikin mafi kyawun sifarsa ta foda (fari), wacce ake kira Diamantine, ana amfani da aluminum oxide a matsayin mafi kyawun gogewa a cikin yin agogo da yin agogo. Haka kuma ana amfani da aluminum oxide a cikin shafa stanchions a masana'antar kekuna masu hawa da hawa. Ana haɗa wannan murfin tare da molybdenum disulfate don samar da man shafawa na dogon lokaci a saman.
