2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Acetone yog tsim los ntawm cov khoom siv raw ntawm benzene thiab propylene. Cov ntaub ntawv no yog thawj zaug siv los tsim cumene, uas tom qab ntawd oxidised los ua cumene hydroperoxide, ua ntej muab faib ua phenol thiab nws cov khoom sib koom ua ke, acetone.
Acetone nyob qhov twg?
Composed ntawm cov ntsiab lus carbon, hydrogen, thiab oxygen, acetone nthuav tawm raws li cov kua ntshiab uas yog cov nplaim hluav taws kub heev thiab feem ntau siv los ntxuav hauv chaw tsim khoom. Acetone muaj nyob rau hauv volcanic gases, nroj tsuag, nyob rau hauv byproducts ntawm hluav taws kub hav zoov, thiab tawg ntawm lub cev rog.
Puas yog acetone ntuj lossis hluavtaws?
Acetone yog cov tshuaj tsim khoom uas tseem pom naturally hauv ib puag ncig. Nws yog cov kua uas tsis muaj xim nrog cov ntxhiab tsw thiab saj. Nws evaporates yooj yim, yog flammable, thiab dissolves nyob rau hauv dej. Nws tseem hu ua dimethyl ketone, 2-propanone, thiab beta-ketopropane.
Puas yog acetone yog cawv?
Tshwj tsis yog ib hom cawv, acetone yog a ketone, thiab nws yog cov kuab tshuaj muaj txiaj ntsig ntau dua li cov dej cawv.
Puas acetone sanitize?
Acetone yog muaj zog bactericidal tus neeg sawv cev thiab muaj txiaj ntsig zoo rau kev siv tshuaj tua kab mob ntawm qhov chaw. … Acetone tuaj yeem ua rau cov tshuaj tua kab mob tsis zoo hauv peb lub hoobkas.
Pom zoo:
Puas yog acetone ua cov kuab tshuaj recrystallization zoo?
Kev piav qhia: Cov kuab tshuaj siv rau recrystallization qhov zoo tshaj plaws muab cov dej tsis zoo hauv cov kuab tshuaj txias, tab sis zoo rau middling solubility hauv cov kuab tshuaj kub. … Acetone nyiam ua cov kuab tshuaj zoo ntawm txhua qhov kub;
Puas yog acetone tib yam?
Tsis yog tag nrho '100%' acetone yog ua tib yam. … Qhov tseeb, lawv txawv ntawm lawv cov purities (99.50% txog 99.99%) thiab cov ntsiab lus ntawm impurities (cov uas ua rau lwm tus 0.01% txog 0.50%). Puas muaj ntau hom acetone? Muaj peb qib dav dav ntawm acetone purity;
Puas yog acetone thiab acetaldehyde tib yam?
Acetone yog tus tswv cuab tsawg tshaj plaws ntawm pawg ketone, qhov acetaldehyde yog tus tswv cuab tsawg tshaj plaws ntawm pawg aldehyde. Qhov sib txawv tseem ceeb ntawm Acetaldehyde thiab Acetone yog cov pa roj carbon atoms hauv cov qauv; acetone muaj peb Carbon atoms, tab sis acetaldehyde tsuas muaj ob carbon atoms.
Yuav ua li cas tshem cov ntsia thawv polish yam tsis siv acetone?
Raws li Boyce, rubbing cawv lossis tshuaj ntxuav tes yog ob txoj hauv kev zoo tshaj plaws los tshem tawm polish yam tsis tas yuav siv tshuaj acetate tshem tawm. Boyce hais tias, "Muab qee lub pob paj los yog lub ncoo thiab tso rau ntawm koj tus ntsia thawv,"
Yuav ua li cas npaj acetone?
Txhawm rau npaj acetone hauv chav kuaj, heat nws nrog anhydrous calcium acetate. Siv cov fused calcium acetate tov nrog me me hlau filings nyob rau hauv ib tug retort haum nrog ib tug dej condenser thiab ib tug receiver. Cov tshuaj tiv thaiv yog maj mam rhuab thaum acetone distils dhau thiab sau rau hauv lub receiver.
