Magaca Alaabta：acetic acid

Qaab molecular:C2H4O2

CAS Maya:64-19-7

Qaab dhismeedka molecular Product：

Faahfaahin:

Guryaha Kiimikada:

Ashitada Acetic, CH3COOH, waa dareere aan midab lahayn, kacsan oo heerkul deegaan ah. Xarunta saafiga ah, glacial acetic acid, waxay magaceeda ku leedahay muuqaalkeeda barafka u eg ee 15.6°C. Sida guud ahaan la keeno, acetic acid waa 6 N xal aqueous ah (qiyaastii 36%) ama 1 N (qiyaastii 6%). Kuwan ama kuwa kale waxaa loo isticmaalaa in lagu daro xaddi ku haboon ee acetic acid cuntooyinka. Acetic acid waa aashitada sifo ee khalka, oo ay diirada u dhaxaysa 3.5 ilaa 5.6%. Aashitada Acetic iyo Acetates waxay ku jiraan inta badan dhirta iyo unugyada xayawaanka tiro yar laakiin la ogaan karo. Waxay yihiin dhexdhexaadiyeyaasha dheef-shiid kiimikaadka caadiga ah, oo ay soo saaraan noocyada bakteeriyada sida Acetobacter waxaana si buuxda looga soo saari karaa kaarboon laba ogsaydhyada yaryar sida Clostridium thermoaceticum. Jiirku wuxuu sameeyaa acetate oo ah heerka 1% miisaanka jidhkiisa maalintii.

Sida dareere aan midab lahayn oo leh ur adag, qallafsan, udgoon dabeecad leh, waxay faa'iido u leedahay subagga, jiiska, canabka iyo dhadhanka miraha. Acid acetic acid oo saafi ah oo aad u yar ayaa sidan oo kale loo isticmaalaa cuntooyinka, in kasta oo ay FDA u kala saartay walxo GRAS ah. Sidaas awgeed, waxa laga yaabaa in lagu shaqaaleysiiyo badeecooyin aan lagu daboolin Qeexitaannada iyo Heerarka Aqoonsiga. Acid acid waa qaybta ugu muhiimsan ee khalka iyo pyroligneous acid. Qaab khalka, in ka badan 27 milyan oo lb ayaa lagu daray cuntada 1986, iyada oo ku dhawaad ​​xaddi le'eg loo isticmaalay sida acidulants iyo walxaha dhadhanka. Dhab ahaantii, acetic acid (sida khalka) wuxuu ahaa mid ka mid ah wakiilada dhadhanka ugu horreeya. Vinegars-ka waxaa si aad ah loogu isticmaalaa diyaarinta dhaymada saladhka iyo majones, dhanaan iyo pickles macaan iyo suugo badan iyo bisad. Waxa kale oo loo isticmaalaa daawaynta hilibka iyo qasacadaynta khudaarta qaarkood. Soo saarista majones, ku darida qayb ka mid ah acetic acid (khamri) cusbada-ama sonkorta-yolk waxay yaraynaysaa caabbinta kulaylka ee Salmonella. Isku dhafka biyaha ee sausages inta badan waxaa ka mid ah acetic acid ama cusbada sodium, halka calcium acetate loo isticmaalo si loo ilaaliyo dhadhanka khudradda qasacadaysan.

Codsiga:
Isticmaalka acetic acid ee warshadaha

1. Loo isticmaalo isku-dhafka dheeha iyo khadadka.

2. Waxa loo adeegsadaa isku dhafka udgoonka.

3. Waxaa loo adeegsadaa warshadaha caagagga iyo bacaha. Waxaa loo isticmaalaa sida dareeraha iyo alaabta bilawga ah ee polymers-ka muhiimka ah ee warshadaha caaga ah iyo balaastigga (sida PVA, PET, iwm.).

4. Waxaa loo isticmaalaa sidii qalab bilow ah oo loogu talagalay rinjiga iyo qaybaha dhejiska

5. Waxa loo isticmaalaa warshadaynta cuntada sida wax lagu daro farmaajo iyo suugada iyo kaydinta cuntada.

Isticmaalka acetic acid ee isku dhafka kiimikada

1.Waxaa loo adeegsaday isku dhafka acetate cellulose. Cellulose acetate waxaa loo isticmaalaa filimada sawirada iyo dunta. Ka hor inta aan la abuurin filimka acetate cellulose, filim sawireed ayaa loo isticmaalaa in laga sameeyo Nitrate, kaas oo lahaa dhibaatooyin badan oo badbaado ah.

2. Loo isticmaalo sida dareere loogu talagalay isku dhafka terephthalic acid. Paraxylene waxa ay oksidhis ku samaysaa terephthalic acid. Terephthalic acid waxaa loo isticmaalaa in lagu farsameeyo PET, taas oo si weyn loo isticmaalo in lagu sameeyo dhalooyin caag ah.

3. Si ballaaran loo isticmaalo falcelinta alkolada kala duwan si ay u soo saaraan esters. Kala soocida Acetate ayaa si weyn loo isticmaalaa sida cuntada lagu daro.

4. Loo isticmaalo isku-dhafka vinyl acetate monomer. monomer-ka ayaa markaa noqon kara polymerized si uu u sameeyo poly (vinyl acetate) oo sidoo kale loo yaqaan PVA. pVA waxay leedahay codsiyo kala duwan oo kala duwan oo laga soo bilaabo dawada (sabato ah laqabsigeeda nooletechnology ilaa nanotechnology (sida xasiliye) ilaa warqad samaynta).

5. Loo isticmaalo sida dareere fal-celinno badan oo organocatalytic ah.

Isticmaalka acetic acid ee dawada

1. Acetic acid waxa loo isticmaalaa farsamo loo yaqaan endoscopy pigmented, taas oo bedel u ah endoscopy-ga caadiga ah.

2. Acetic acid waxa loo isticmaalaa baadhista aragga ee kansarka ilma-mareenka iyo nabarada. Waxa kale oo loo isticmaalaa baadhista kansarka ilmo galeenka.

3. Acetic acid waxa loo isticmaalaa in lagu daweeyo otitis externa.

4. Acetic acid ayaa mararka qaarkood loo isticmaalaa in lagu daweeyo caabuqyada bakteeriyada iyo fungal.

5. Tijaabada shaybaadhka ee jiirarka, acetic acid ayaa lagu muujiyay inay yarayso jawaabta bararka ee jiirarka.

Isticmaalka guriga ee acetic acid

1. Acid acid waa qaybta ugu muhiimsan ee khalka.

2. Khalka waxa loo isticmaalaa soo saarista khudaarta

3. Waxa loo isticmaalaa dhaymada saladhka

4. Waxa loo isticmaalaa habka dubista. Waxay la falgashaa baking soda si ay u sii deyso gaasta kaarboon dioxide si ay cuntadu u noqoto mid qalafsan.

5. Loo isticmaalo sida wakiilka antifungal.