Lub cev muaj zog
Hom phiaj, pieces, & hmoov
Chemical Properties
99.8% rau 99.99%
Cov hlau ntau yam no tau sib sau ua ke nws txoj hauj lwm hauv cov cheeb tsam ib txwm muaj, xws li superalloys, thiab tau pom kev siv ntau dua hauv qee qhov kev siv tshiab, xws li hauv cov roj teeb uas siv tau.
Alloys-
Cobalt-based superalloys siv feem ntau ntawm cobalt tsim. Qhov kub thiab txias ntawm cov alloys no ua rau lawv haum rau siv nyob rau hauv turbine hniav rau cov roj turbines thiab dav hlau aircraft xyaw, tab sis cov nickel-raws li ib tug siv lead ua alloys tshaj lawv nyob rau hauv no hais txog. Cobalt-based alloys kuj yog corrosion thiab hnav-resistant. Tshwj xeeb cobalt-chromium-molybdenum alloys yog siv rau prosthetic qhov chaw xws li lub duav thiab lub hauv caug hloov. Cobalt alloys kuj tseem siv rau kev kho hniav prosthetics, qhov uas lawv muaj txiaj ntsig kom tsis txhob ua xua rau npib tsib xee. Qee qhov kev kub ceev steel kuj tseem siv cobalt los ua kom sov thiab hnav-tiv taus. Cov alloys tshwj xeeb ntawm txhuas, npib tsib xee, cobalt thiab hlau, hu ua Alnico, thiab ntawm samarium thiab cobalt (samarium-cobalt hlau nplaum) yog siv nyob rau hauv cov hlau nplaum ruaj khov.
Roj teeb-
Lithium cobalt oxide (LiCoO2) yog siv dav hauv Lithium ion roj teeb electrodes. Nickel-cadmium (NiCd) thiab nickel hlau hydride (NiMH) roj teeb kuj tseem muaj cov cobalt loj.
Catalyst-
Ob peb cobalt tebchaw yog siv nyob rau hauv cov tshuaj tiv thaiv raws li catalysts. Cobalt acetate yog siv rau kev tsim cov terephthalic acid thiab dimethyl terephthalic acid, uas yog cov ntsiab lus tseem ceeb hauv kev tsim cov Polyethylene terephthalate. Lub chav hloov pauv thiab hydrodesulfuration rau kev tsim cov roj av, uas siv cov cobalt molybdenum aluminium oxides sib xyaw ua cov catalyst, yog lwm daim ntawv thov tseem ceeb. Cobalt thiab nws cov tebchaw, tshwj xeeb tshaj yog cobalt carboxylates (hu ua cobalt soaps), yog cov oxidation catalysts zoo. Lawv yog siv nyob rau hauv cov xim, varnishes, thiab inks ua kom qhuav cov neeg sawv cev los ntawm oxidation ntawm tej tebchaw. Tib cov carboxylates yog siv los txhim kho cov adhesion ntawm cov hlau rau roj hmab hauv steel-belted radial log tsheb.
Pigments thiab coloring-
Ua ntej xyoo pua 19th, qhov tseem ceeb ntawm kev siv cobalt yog xim xim. Txij li thaum lub midage zus tau tej cov smalt, ib tug xiav xim iav twb paub. Smalt yog tsim los ntawm melting ib tug sib tov ntawm roasted ntxhia smaltite, quartz thiab poov tshuaj carbonate, yielding ib tug tsaus xiav silicate iav uas yog grinded tom qab zus tau tej cov. Smalt tau dav siv rau cov xim ntawm iav thiab ua xim rau cov duab. Xyoo 1780 Sven Rinman nrhiav pom cobalt ntsuab thiab xyoo 1802 Louis Jacques Thénard pom cobalt xiav. Ob xim cobalt xiav, cobalt aluminate, thiab cobalt ntsuab, sib tov ntawm cobalt (II) oxide thiab zinc oxide, tau siv los ua pigments rau paintings vim lawv superior stability. Cobalt tau siv los ua xim iav txij thaum Bronze Age.
Kev piav qhia
Ib qho nkig, tawv hlau, zoo li hlau thiab npib tsib xee zoo li, cobalt muaj qhov sib nqus permeability kwv yees li ob feem peb ntawm cov hlau. Nws feem ntau tau txais los ntawm npib tsib xee, nyiaj, txhuas, tooj liab, thiab hlau ore thiab muaj nyob rau hauv meteorites.
Cobalt feem ntau yog alloyed nrog rau lwm yam hlau vim nws txawv txawv magnetic zog thiab yog siv nyob rau hauv electroplating vim nws cov tsos, hardness thiab tsis kam mus oxidation.
Lub npe tshuaj: Cobalt
Chemical Formula: Co
Ntim: Nruas
Synonyms
Co, cobalt hmoov, cobalt nanopowder, cobalt hlau daim, cobalt slug, cobalt hlau hom phiaj, cobalt xiav, hlau cobalt, cobalt hlau, cobalt qws, CAS # 7440-48-4
Kev faib tawm
Cobalt (Co) Hlau TSCA (SARA Title III) Status: Listed. Yog xav paub ntxiv thov hu rau
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Cobalt (Co) Hlau Chemical Abstract Service Number: CAS # 7440-48-4
Cobalt (Co) Hlau UN Number: 3089
