Cesium Carbonate hmoov CAS 534-17-8

Khoom Description

Cesium carbonate hmoovyog ib qho inorganic compound, uas yog cov khoom dawb ntawm qhov kub thiab txias, yooj yim soluble hauv dej, thiab sai sai absorbs noo noo thaum muab tso rau hauv huab cua. Cesium carbonate aqueous tov yog alkaline heev thiab muaj peev xwm hnov ​​​​mob nrog cov kua qaub los tsim cov cesium ntsev thiab dej, thiab tso carbon dioxide. Cesium carbonate yog ib qho yooj yim los hloov thiab yuav siv tau raws li lub precursor ntawm lwm cov cesium ntsev, uas yog dav siv nyob rau hauv ntau hom ntsev cesium.

Piv nrog rau lwm cov carbonates xws li poov tshuaj carbonate thiab sodium carbonate, nws yog ntau soluble nyob rau hauv cov organic solvents, txawm hais tias nws tseem yog tag insoluble nyob rau hauv lwm cov organic solvents xws li toluene, p-xylene thiab chlorobenzene. Cov tshuaj no yog siv los ua lub hauv paus hauv cov organic synthesis. Nws zoo nkaus li tias nws tuaj yeem siv rau kev hloov pauv hluav taws xob.

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COA

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Yam khoom

• Qhov ceev 4.072

• Boiling point 333.6ºC ntawm 760 mmHg

• Melting point yog 610ºC (dec.) (lit.)

• Cov mis mos molecular CCs2O3

• Molecular hnyav 325.820

• Flash point 169.8ºC

daim ntawv thov

1.Cesium carbonate hmoovtuaj yeem siv los ua cov txheej txheem zoo nkauj ntawm cov txheej txheem nquag thiab Al electrode ntawm lub hnub ci hlwb, uas tuaj yeem txhim kho kev hloov pauv ntawm cov khoom siv, tsim Al-O-Cs tebchaw, txo cov kev ua haujlwm ntawm cov hlwb, thiab txhim kho qhov luv-circuit tam sim no. thiab photoelectric conversion efficiency ntawm solar cells. Ntxiv mus, vim lub compactness ntawm cov cesium carbonate txheej nws tus kheej, lub stability ntawm cov cuab yeej kuj pom tseeb txhim kho.

2.Cesium carbonate hmoovmuaj zog hlau N-hom hnyav doping nyhuv. Al / CsCO cathode hloov kho los ntawm cesium carbonate nano-interface tuaj yeem txhim kho kev txhaj tshuaj electron thiab pom tseeb txhim kho kev ua tau zoo ntawm cov khoom siv sab saum toj-emitting OLED.

3.Cesium carbonate hmoovfeem ntau yog siv los ua cov khoom siv raw yooj yim rau kev npaj lwm cov ntsev ntsev, thiab nws kuj yog siv rau hauv kev lag luam catalyst, tshwj xeeb kho qhov muag iav kev lag luam, roj av catalytic additives, analytical reagents, ceramic kev lag luam thiab lwm yam. Cov ntaub ntawv tseem ceeb rau kev npaj ntau yam ntsev ntsev; Siv los tsim cov iav tshwj xeeb kho qhov muag; Raws li cov roj av catalytic txhawb nqa; Analytical reagent; Txhawb kom muaj txiaj ntsig O-alkylation ntawm cawv los tsim cov alkyl carbonates sib xyaw.

Muaj nuj nqi

Ntau yam khoom ntawm cesium carbonate nyob rau hauv cov organic synthesis los ntawm cov mos Lewis acidity ntawm cesium ion, uas ua rau nws soluble nyob rau hauv organic solvents xws li cawv, DMF thiab ether. Vim nws zoo solubility nyob rau hauv cov kuab tshuaj organic, cesium carbonate yuav siv tau raws li ib tug zoo inorganic puag los koom nyob rau hauv cov tshuaj tiv thaiv catalyzed los ntawm palladium reagents, xws li Heck, Suzuki thiab Sonogashira cov tshuaj tiv thaiv. Piv txwv li, Suzuki cross-coupling cov tshuaj tiv thaiv tuaj yeem tau txais 86% tawm los nrog kev txhawb nqa ntawm cesium carbonate, thaum cov txiaj ntsig ntawm tib cov tshuaj tiv thaiv tsuas yog 29% thiab 50% nrog kev koom tes ntawm sodium carbonate lossis triethylamine. Ib yam li ntawd, nyob rau hauv Heck cov tshuaj tiv thaiv ntawm methacrylate thiab chlorobenzene, cesium carbonate qhia pom tseeb qhov zoo dua lwm cov hauv paus inorganic, xws li potassium carbonate, sodium acetate, triethylamine thiab potassium phosphate.

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vim li cas xaiv peb

 

Peb ua raws li lub hauv paus ntsiab lus ntawm "cov neeg siv khoom ua ntej, kev ncaj ncees ua ntej", thiab ib txwm muab cov neeg siv khoom zoo thiab cov khoom siv tau zoo thiab cov kev pabcuam zoo. Xaiv kev ncaj ncees. Xaiv lub neej noj qab nyob zoo!
 

Nrog peb cov kev siv zog tas mus li thiab kev pabcuam zoo, peb cia siab tias yuav tsim kev koom tes ntev thiab kev loj hlob zoo nrog cov neeg siv khoom thiab muab sijhawm rau peb. Peb ntseeg tias peb yuav txaus siab rau koj nrog thawj-chav kawm zoo, nyab xeeb thiab xa khoom sai thiab txaus siab rau kev pab cuam tom qab muag.

Peb lub Hoobkas

Pob

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Tsis lees paub: Tag nrho cov khoom lag luam (cov khoom siv tsis raug cai) cov duab tau muab coj los ua zoo, tab sis vim yog lub zog ntawm lub teeb (lub sijhawm sib txawv, lub teeb tom qab sib txawv), txoj kev tua, cov khoom siv sib txawv thiab lwm yam, tej zaum yuav muaj qee qhov sib txawv ntawm qhov daim duab thiab cov xim tiag tiag, cov khoom xim, thov coj cov nyhuv tiag tiag, cov khoom xim sib txawv tsis yog qhov teeb meem ntawm cov khoom zoo.

Nco tseg: Nco ntsoov sab laj nrog tus kws kho mob uas tsim nyog ua ntej noj cov tshuaj tshiab. Cov khoom no tsis yog tsim los kuaj xyuas, kho, kho lossis tiv thaiv txhua yam kab mob.Thaum lub sijhawm yuav khoom, tus neeg yuav khoom thoob ntiaj teb pom zoo xav tias muaj kev pheej hmoo ntawm txhua yam khoom tuaj txog. Peb tsis tuaj yeem hloov cov khoom ploj lossis raug kaw. Ua ntej xa cov khoom, koj yuav tsum paub meej tias koj pom zoo rau cov nqe lus no.Qhov no tsuas yog kev pom zoo koob tshuaj raws li peb tus kheej kev paub thiab cov ntaub ntawv pov thawj. Peb pom zoo kom koj ua koj tus kheej kev tshawb fawb ua ntej siv cov khoom no.

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