Lebitso la Sehlahiswa:asiti ea acetic

Sebopeho sa molek'hule:C2H4O2

Nomoro ea CAS:64-19-7

Sehlahisoa sebopeho sa molek'hule:

Tlhaloso:

Lintho tsa Lik'hemik'hale:

Asiti ea Acetic, CH3COOH, ke mokelikeli o se nang 'mala, o fetohang mocheso o futhumetseng.Motsoako o hloekileng, glacial acetic acid, e rehiloe lebitso la eona ka ponahalo ea eona e kang leqhoa ho 15.6°C.Joalokaha ho fanoe ka kakaretso, asiti ea acetic ke tharollo ea metsi a 6 N (hoo e ka bang 36%) kapa tharollo ea 1 N (hoo e ka bang 6%).Lintho tsena kapa tse ling tse hlapollang li sebelisoa bakeng sa ho eketsa tekanyo e loketseng ea asiti ea acetic lijong.Acetic acid ke tšobotsi ea asiti ea asene, mahloriso a eona a tloha ho 3.5 ho isa ho 5.6%.Acetic acid le acetates li teng limela tse ngata le lisele tsa liphoofolo ka tekanyo e nyenyane empa e lemohuoa.Ke li-metabolism tse tloaelehileng, li hlahisoa ke mefuta ea baktheria e kang Acetobacter 'me e ka etsoa ka ho feletseng ho tloha carbon dioxide ka likokoana-hloko tse kang Clostridium thermoaceticum.Rato e etsa acetate ka tekanyo ea 1% ea boima ba 'mele oa eona ka letsatsi.

E le mokelikeli o se nang mebala o nang le monko o matla, o hlabang, o nang le sebōpeho sa asene, o na le thuso ho botoro, chisi, morara le tatso ea litholoana.Acetic acid e nyenyane haholo e hloekileng e sebelisoa lijong, leha e khetholloa ke FDA e le thepa ea GRAS.Ka lebaka leo, e kanna ea sebelisoa lihlahisoa tse sa kengoang ke Litlhaloso le Maemo a Boitsebiso.Acetic acid ke karolo ea mantlha ea asene le pyroligneous acid.Ka mofuta oa asene, ho ile ha eketsoa li-lb tse fetang limilione tse 27 lijong ka 1986, ka chelete e batlang e lekana e sebelisoang e le li-acidulants le li-flavoring agents.Ha e le hantle, acetic acid (joaloka asene) e ne e le e 'ngoe ea litlolo tsa pele tsa tatso.Li-vinegars li sebelisoa haholo ha ho lokisoa liaparo tsa salate le mayonnaise, li-pickle tse bolila le tse monate le li-sauces tse ngata le li-catsups.Li boetse li sebelisoa ho phekola nama le ho kenya meroho e itseng ka makotikoting.Ha ho etsoa mayonnaise, ho eketsoa ha karolo ea acetic acid (asene) ho letsoai kapa tsoekere-yolk ho fokotsa ho hanyetsa mocheso oa Salmonella.Metsoako e tlamang metsi ea lisoseje hangata e kenyelletsa asiti ea acetic kapa letsoai la eona la sodium, athe calcium acetate e sebelisetsoa ho boloka sebopeho sa meroho e halikiloeng, e entsoeng ka makotikoting.

Kopo:
Tšebeliso ea asiti ea acetic indastering

1. E sebelisoa ha ho etsoa li-dyes le li-inks.

2. E sebelisoa ha ho etsoa litlolo tse nkhang hamonate.

3. E sebelisoa indastering ea rabara le ea polasetiki.E sebelisoa e le mokelikeli le thepa ea ho qala bakeng sa li-polymers tse ngata tsa bohlokoa indastering ea rabara le ea polasetiki (e kang PVA, PET, joalo-joalo).

4. E sebelisoa e le ntho e qalang bakeng sa pente le likarolo tsa sekhomaretsi

5. E sebelisoa indastering ea ho lokisa lijo e le motsoako oa chisi le li-sauces le ho boloka lijo.

Tšebeliso ea asiti ea acetic ho motsoako oa lik'hemik'hale

1.E sebelisoa ha ho etsoa cellulose acetate.Cellulose acetate e sebelisoa lifiliming tsa lifoto le masela.Pele ho qaptjoa filimi ea cellulose acetate, filimi ea lifoto e ne e sebelisoa ka nitrate, e neng e e-na le mathata a mangata a tšireletso.

2. E sebelisoa e le solvent bakeng sa motsoako oa terephthalic acid.Paraxylene e na le oxidized ho terephthalic acid.Asiti ea terephthalic e sebelisoa ho kopanya PET, e sebelisoang haholo ho etsa libotlolo tsa polasetiki.

3. E sebelisoa haholo karabelong ea li-alcohol tse fapaneng ho kopanya li-ester.Li-derivatives tsa acetate li sebelisoa haholo e le li-additives tsa lijo.

4. E sebelisoa ha ho etsoa motsoako oa vinyl acetate monomer.Joale monoma e ka etsoa polymerized ho theha poly(vinyl acetate) eo hape e tsejoang ka hore ke PVA.pVA e na le mefuta e mengata ea lits'ebetso ho tloha ho tsa bongaka (ka lebaka la biocompatibility ho nanotechnology (e le stabilizer) ho ea ho ho etsa pampiri).

5. E sebelisoa e le solvent mekhoeng e mengata ea organocatalytic.

Tšebeliso ea asiti ea acetic meriana

1. Acetic acid e sebelisoa ka mokhoa o bitsoang pigmented endoscopy, e leng mokhoa o mong ho feta o tloaelehileng oa endoscopy.

2. Acetic acid e sebelisoa bakeng sa tlhahlobo ea pono ea mofetše oa popelo le liso.E boetse e sebelisoa bakeng sa tlhahlobo ea mofetše oa popelo.

3. Acetic acid e sebelisoa ho phekola otitis externa.

4. Ka linako tse ling acetic acid e sebelisoa ho phekola tšoaetso ea baktheria le fungal.

5. Litekong tsa laboratori ka litoeba, acetic acid e bontšitsoe ho fokotsa karabelo ea ho ruruha ho litoeba.

Tšebeliso ea asiti ea malapeng

1. Acetic acid ke karolo e ka sehloohong ea asene.

2. Asene e sebelisetsoa ho khetha meroho

3. E sebelisetsoa ho apara salate

4. E sebelisoa ka mokhoa oa ho baka.E sebetsana le soda le ho baka ho ntša khase ea carbon dioxide ho etsa hore lijo li fole.

5.E sebelisoa e le moemeli oa antifungal.