Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm cobalt acetate cas 71-48-7 nyob Suav teb. Txais tos rau cov lag luam wholesale bulk zoo cobalt acetate cas 71-48-7 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Cobalt acetate hmoov, muaj cov mis mos molecular ntawm C4H6CoO4. Liab ntshav siv lead ua los yog crystalline hmoov yooj yim rau deliquescence. Nrog me ntsis acetic acid tsis hnov tsw, nws ua anhydrous thaum rhuab mus rau 140 degree. Nws yog soluble hauv dej, ethanol, dilute acid thiab amyl acetate. Cov tshuaj lom thiab carcinogenic yuav tsum muab cia rau hauv lub thawv kaw. Inhalation thiab noj yuav ua mob rau lub cev. Kev nqus pa tuaj yeem ua rau mob pharyngitis, ua raws li cov tsos mob ntawm plab hnyuv, xws li ntuav, mob plab, kub nce, calf tsis muaj zog, thiab lwm yam. Kev sib cuag ntawm daim tawv nqaij tuaj yeem ua rau muaj kev tsis haum dermatitis thiab hu rau dermatitis. Nws yog siv los ua cov tshuaj analytical reagent, catalyst, ziab xim, thiab tseem yog cov khoom xyaw ntawm ceramic glaze.
|
Tshuaj Formula |
C4H6CO4 |
|
Exact Mass |
177 |
|
Molecular Luj |
177 |
|
m/z |
177 (100.0%), 178 (4.3%) |
|
Elemental Analysis |
C, 27.14; H, 3,42; Cov, 33,29; Ib., 36.15 |
|
|
|
Cobalt acetat (tshuaj formula: (CH3COO) 2Co), tseem hu ua cobalt acetat, yog xim liab hygroscopic siv lead ua uas tsis muaj zog acetic acid tsw. Raws li ib qho tseem ceeb organic chemical raw khoom, nws daim ntawv thov teb npog ntau yam kev lag luam xws li catalysts, coatings, tshiab zog, ib puag ncig tiv thaiv, tshuaj, thiab hluav taws xob cov ntaub ntawv.
Catalyst teb
Ester txauv cov tshuaj tiv thaiv catalyst:
Raws li ib qho txiaj ntsig catalyst nyob rau hauv cov organic synthesis, nws yog dav siv nyob rau hauv lub synthesis ntawm ester tebchaw xws li acrylic esters thiab methyl methacrylate. Nws cov txheej txheem catalytic yog ua raws li kev sib koom tes ntawm cobalt ions, uas tuaj yeem txo qhov ua kom lub zog ntawm cov tshuaj tiv thaiv thiab txhim kho cov txiaj ntsig. Piv txwv li, nyob rau hauv kev sib txuas ntawm methyl methacrylate, qhov sib ntxiv ntawm cov khoom no tuaj yeem ua rau lub sijhawm ua haujlwm luv luv los ntawm 30% thiab txo cov tiam los ntawm - khoom.
kua-theem oxidation catalyst:
Nws nthuav tawm kev ua tau zoo hauv cov kua - theem oxidation cov tshuaj tiv thaiv, xws li kev npaj ntawm terephthalic acid. Los ntawm lub voj voog redox ntawm cobalt ions, cov txheej txheem oxidation ntawm p-xylene tuaj yeem ua tau zoo catalyzed, thiab purity ntawm cov khoom tuaj yeem ncav cuag ntau dua 99%. Tsis tas li ntawd, nyob rau hauv cov tshuaj tiv thaiv ntawm toluene oxidation rau benzaldehyde, lub synergistic catalytic system ntawm no tivthaiv thiab bromobenzyl tuaj yeem nce tus nqi hloov mus rau 85%.
Nyob rau hauv lub tshav pob ntawm coatings thiab desiccants
Xim drying agent:
Raws li tus neeg sawv cev ziab khaub ncaws, nws txo qis lub sijhawm ziab los ntawm kev txhawb nqa oxidative crosslinking ntawm unsaturated fatty acids hauv txheej. Ntxiv 0.5% -1% ntawm cov khoom no rau alkyd resin coatings tuaj yeem ua rau lub sijhawm ziab ntawm qhov chaw los ntawm 8 teev mus rau 2 teev, thaum txhim kho hardness thiab huab cua tsis kam ntawm txheej.
Ceramic glaze additive:
Nyob rau hauv ceramic glaze qauv, raws li ib tug colouring neeg sawv cev thiab flux, nws muaj peev xwm muab lub glaze ib tug tshwj xeeb xim liab liab xim thiab txo qhov kub thiab txias. Piv txwv li, ntxiv 0.3%cobalt acetate hmoovmus rau siab -kub porcelain glaze tuaj yeem txo qhov kub ntawm qhov hluav taws kub los ntawm 50-80℃thiab txhim kho lub glossiness ntawm glaze nto.
Nyob rau hauv lub tshav pob ntawm lub zog tshiab
Lithium roj teeb zoo electrode khoom:
Nrog rau kev loj hlob ntawm kev lag luam tsheb tshiab lub zog, cov ntsev cobalt, ua ib daim ntawv tseem ceeb, tau dhau los ua cov khoom siv tseem ceeb rau cov khoom siv hluav taws xob zoo hauv ternary lithium roj teeb (NCM/NCA). Nws txhim khu kev ruaj ntseg ntawm cov txheej txheem txheej ntawm cov khoom thiab txhim kho cov nqi tawm mus lub neej los ntawm kev muab cobalt ions. Piv txwv li, hauv NCM811 cov khoom, doping nrog cov khoom no tuaj yeem ua tiav lub roj teeb lub zog ntawm 280Wh / kg thiab lub neej voj voog ntau dua 2000 zaug.
Cov khoom siv electrode rau supercapacitor:
Cov khoom siv hluav taws xob ua haujlwm siab tuaj yeem npaj tau rau hauv cov khoom- xeev cov tshuaj tiv thaiv. Piv txwv li, los ntawm kev sib tov thiab sib tsoo nws nrog oxalic acid thiab graphene oxide, thiab tom qab ntawd calcining nws, cobalt trioxide graphene composite cov ntaub ntawv tuaj yeem tau, nrog rau qhov tshwj xeeb capacitance txog li 1200F / g, uas yog ntau tshaj peb npaug ntawm cov khoom siv carbon activated.
Kev tiv thaiv ib puag ncig
Flue gas desulfurization thiab denitrification:
Raws li kev ua haujlwm zoo desulfurizer, nws ua tau zoo nyob rau hauv ntub flue roj desulfurization. Kev tshawb fawb los ntawm Suav Academy ntawm Environmental Sciences qhia tau hais tias nyob rau hauv pH tej yam kev mob ntawm 5-6, nws desulfurization efficiency yuav ncav cuag ntau tshaj 95%, thiab los ntawm -cov khoom cobalt sulfate tuaj yeem siv dua thiab rov siv dua. Tsis tas li ntawd, nws tseem tuaj yeem siv rau kev npaj cov khoom siv hluav taws xob qis SCR denitrification catalysts, nrog rau NOx hloov pauv tus nqi txog li 90% ntawm 200 degree.
Muaj kev kho dej khib nyiab:
Nws tuaj yeem siv los ua cov hlau hnyav ion precipitant hauv electroplating wastewater kho. Piv txwv li, ntxiv cobalt acetat rau chromium uas muaj cov dej khib nyiab tuaj yeem tsim cov cobalt chromium composite oxide precipitates insoluble, txo cov concentration ntawm chromium ions los ntawm 500mg / L mus rau qis dua 0.5mg / L, ua tau raws li lub teb chaws cov qauv tso tawm.
Hauv kev kho mob thiab kev ua liaj ua teb
Pharmaceutical intermediates:
Nws yog ib qho tseem ceeb nruab nrab ntawm kev sib txuas ntawm vitamin B12. Nyob rau hauv tus txheej txheem ntawm tsim vitamin B12 los ntawm fermentation, cobalt acetat raws li ib tug cobalt qhov chaw yuav txhawb microbial metabolism thiab nce yield. Tsis tas li ntawd, nws kuj tuaj yeem siv rau kev sib txuas ntawm cov tshuaj tiv thaiv kab mob cisplatin, stabilizing cov tshuaj molecular qauv los ntawm kev sib koom ua ke ntawm cobalt ions.
Cog kev loj hlob regulator:
Hauv kev ua liaj ua teb, nws tuaj yeem siv los ua ib qho kab mob chiv los txhawb kev loj hlob hauv paus thiab photosynthesis. Kev tshawb fawb tau pom tias kev txau 0.01% cobalt acetat tov hauv kev cog txiv lws suav tuaj yeem nce yield los ntawm 15% -20% thiab txhim kho cov nroj tsuag kev ntxhov siab.
Hauv cov khoom siv hluav taws xob
Cov khoom siv:
Nws tuaj yeem siv rau hauv cov khoom siv hluav taws xob los npaj siab -kev ua tau zoo tshaj plaws. Piv txwv li, los ntawm kev sib xyaw nrog cov hmoov nyiaj, cov khoom siv hluav taws xob uas muaj kev tiv thaiv qis dua 10 ⁴Ω· cm tuaj yeem npaj tau, uas yog siv dav hauv thaj chaw xws li kov cov ntxaij vab tshaus thiab lub hnub ci.
Cov khoom siv hlau nplaum:
Cobalt acetate hmoovyog ib qho tseem ceeb raw khoom rau kev npaj ferrite magnetic ntaub ntawv. Los ntawm kev tswj cov txheej txheem calcination, cobalt ferrite (CoFe2O4) nrog cov khoom sib nqus sib txawv tuaj yeem tau txais, thiab nws cov saturation magnetization tuaj yeem ncav cuag 80 emu / g, uas yog tsim rau siab - zaus transformers, inductors thiab lwm yam khoom siv.
Muaj peb txoj hauv kev zoo tshaj plaws rau kev sib txuas ntawm cobalt acetat:
1. Cobalt hlau los yog cobalt oxide txoj kev
Cobalt nitrate tov yog npaj los ntawm cov tshuaj tiv thaiv ntawm hlau cobalt los yog cobalt oxide nrog nitric acid, thiab ces reacts nrog ammonium bicarbonate (los yog soda tshauv) tov los tsim cobalt carbonate nag lossis daus; Ntxuav thiab cais cov precipitate, ntxiv acetic acid rau acidification kom tau cobalt acetat; Tom qab lim, kho cov tshuaj tiv thaiv rau pH =2, thiab mloog zoo kom txog thaum tus txheeb ze ntawm cov tshuaj yog 1.17-1.20. Tom qab ntawd ntxiv 1kg acetic acid txhua 200L ntawm cov tshuaj concentrated, crystallize nws rau 7-10d ntawm qhov kub qis dua 20 degree, centrifugate nws, thiab qhuav nws ntawm 30-40℃kom tau cov khoom tiav.
2. Txoj kev cobalt sulfate
Cobalt sulfate yog rhuab rau react nrog soda tshauv los tsim cobalt carbonate, uas reacts nrog acetic acid. Cov tshuaj tiv thaiv cov khoom yog lim, concentrated, crystallized, dehydrated thiab ntim kom tau cov khoom.
3.
Noj 5 g ntawm cobalt nitrate hexahydrate thiab ntxiv rau 25mL ntawm acetic anhydride, sib tov nws tusyees, cua sov thiab boil rau 10 feeb, thiab ces precipitate los ntawm sawv siv lead ua. Lim los ntawm kev nqus thiab ntxuav nrog me me ntawm acetic anhydride thiab ether. Nqus thiab nqus tsev vacuum ntawm 100℃rau 1h.
Purification txoj kev ntawmcobalt acetate hmoov:
Txoj kev ua kom huv ntawm cobalt acetat suav nrog cov kauj ruam hauv qab no:
Cov tshuaj cobalt acetate tau los ntawm cov dej qab zib los ntawm txoj kev yog adsorbed los ntawm chav tsev kub adsorption ntauwd uas muaj kev txhim kho ATBS copolymer nruab nrab, nrog rau qhov concentration ntawm 0.1-0.25 MPa.
Qhov concentration ntawm adsorbed cobalt acetate tov yog 20-95wt%, thiab ces txias rau 5-25℃C rau recrystallization.
Sau cov khoom purified cobalt acetate. Hauv kev tsim khoom, cov tshuaj cobalt acetate tau los ntawm cov dej qab zib los ntawm txoj kev yog kem adsorbed los ntawm kev txhim kho ATBS copolymer nruab nrab. ATBS copolymer nruab nrab muaj zog adsorption muaj peev xwm rau impurity hlau ions nyob rau hauv cov tshuaj, zoo tshem tawm impurity hlau ions.
Nyob rau hauv txoj kev no, ATBS copolymer tau hloov kho nrog cov tshuaj tsis muaj zog alkaline ntawm sodium carbonate, tshem tawm cov kua qaub monomers los ntawm cov copolymer thiab tiv thaiv lawv los ntawm kev cuam tshuam nrog cobalt ions los tsim lwm yam impurities. Kev txhim kho ATBS copolymer nruab nrab ntawm txoj kev no tuaj yeem raug tshem tawm nrog 0.1mol / L sodium carbonate tov tom qab qhov ua tau zoo tsis muaj zog, thiab tuaj yeem rov qab siv dua. Txoj kev no yog ib qho yooj yim rau kev khiav lag luam, muaj kev ruaj ntseg zoo, tsis tshua muaj zog noj, thiab yog haum rau industrial ntau lawm.
FAQ
Dab tsi yog cobalt acetate?
Cobalt acetate [Co(CH₃COO)₂·4H₂O] yog xim liab-violet crystalline ntsev uas yaj yooj yim hauv dej thiab cawv. Nws feem ntau yog siv los ua tus thawj coj lossis tus neeg ua haujlwm hauv tshuaj lom neeg thiab cov khoom siv hluavtaws. Kev siv tseem ceeb ntawm Cobalt Acetate. Catalyst Precursor.
Yuav ua li cas ua kom cobalt acetate?
Ib txheej txheem rau kev npaj cobalt acetate los ntawm kev them cov hlau cobalt rau hauv kem lossis tank reactor, them acetic acid thiab oxidizing tus neeg sawv cev, hydrogen peroxide, mus rau sab saum toj ntawm lub reactor thaum tsis tu ncua tso tawm cov tshuaj cobalt acetate los ntawm hauv qab ntawm lub reactor, tus cwj pwm ntawm hydrogen peroxide ...
Cov mis ntawm cobalt acetate yog dab tsi?
Cobalt (II) acetate yog cobalt ntsev ntawm acetic acid. Nws feem ntau pom tau tias yog tetrahydrate Co(CH3CO2)2·4 H2O, abbreviated Co(OAc)2·4 H2O.
Dab tsi yog cobalt acetate siv rau?
Nws yog dav siv hauv catalysis, nanomaterial synthesis, thiab electroplating. Nws kuj yog siv los ua tus neeg ua kom qhuav rau cov xim thiab cov kua roj vanish thiab ua cov tshuaj reagent los kuaj seb muaj cov acetate ions hauv kev daws teeb meem.
Cim npe nrov: cobalt acetate cas 71-48-7, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom