Ingoa Hua：waikawa ahetiki

Hōputu rāpoi:C2H4O2

No CAS:64-19-7

Hanganga ngota hua：

Whakatakotoranga:

Ngā Āhuatanga matū:

Ko te waikawa acetic, ko CH3COOH, he wai kore tae, he wai whakakorikori i te pāmahana taiao.Ko te pūhui parakore, te waikawa acetic glacial, tona ingoa ki te ahua o te tio-rite ki te 15.6°C.I te nuinga o te waa, ko te waikawa ahetiki he wairewa wai 6 N (mo te 36%), he otinga 1 N ranei (mo te 6%).Ka whakamahia enei, etahi atu waimeha ranei hei taapiri i te nui o te waikawa ahetiki ki nga kai.Ko te waikawa acetic te waikawa o te winika, ko tona kukū mai i te 3.5 ki te 5.6%.Ko te waikawa acetate me te acetates kei roto i te nuinga o nga tipu me nga kopa kararehe i roto i te iti engari ka kitea.He takawaenga mokowhiti noa enei, he mea hanga e nga momo huakita penei i te Acetobacter ka taea te whakahiato mai i te waro hauhaa e nga microorganisms penei i te Clostridium thermoaceticum.Ka hangaia e te kiore te acetate i te tere o te 1% o tona taumaha tinana ia ra.

Ka rite ki te wai kore tae me te kakara winika kaha, kawa, he mea whai hua i roto i te pata, te tiihi, te karepe me te reka hua.He iti rawa te waikawa acetic parakore e whakamahia ana i roto i nga kai, ahakoa kua whakarōpūtia e te FDA hei rauemi GRAS.No reira, ka whakamahia pea i roto i nga hua kaore e kapi i nga Whakamaramatanga me nga Paerewa Tuakiri.Ko te waikawa acetic te waahanga matua o te winika me te waikawa pyroligneous.I roto i te ahua o te winika, neke atu i te 27 miriona pauna i tapirihia ki te kai i te tau 1986, me te rite tonu te nui o te whakamahi hei waikawa me nga mea kakara.Inaa, ko te waikawa ahetiki (he winika) tetahi o nga mea kakara tuatahi.Ka whakamahia nuitia te winika ki te takai i te ranu huamata me te mayonnaise, te PICKLES kawa me te reka me te maha o nga ranu me te catsups.Ka whakamahia ano hoki hei rongoa i te mīti me te kēne o etahi huawhenua.I roto i te hanga o te mayonnaise, ko te taapiri i tetahi wahanga o te waikawa acetic (winika) ki te tote-, te huka-huka ranei ka whakaiti i te wera o Salmonella.Ko nga titonga here wai o nga hotiti he maha nga wa ka uru mai te waikawa acettic, tona tote konutai ranei, engari ka whakamahia te konupūmā acetate hei pupuri i te kakano o nga huawhenua tapatapahi, kēne.

Taupānga:

Ka puta te waikawa acetic i roto i te winika.Ka mahia i roto i te whakakorenga kino o te rakau.Ka kitea he tono nui ki te umanga matū.Ka whakamahia i roto i te hanga o te acetate cellulose, acetate rayon, me nga momo acetate me te acetyl pūhui;hei whakarewa mo nga kapia, nga hinu, me nga kapia;hei tiaki kai mo te ta me te tae;i roto hoki i te whakangao-ora.

He matū ahumahi nui te waikawa acetic.Ko te tauhohenga o te waikawa acetic me te hydroxyl kei roto nga pūhui, ina koa ko te waipiro, ka puta te hanga o nga esters acetate.Ko te whakamahinga nui rawa o te waikawa ahetiki kei roto i te hanga vinyl acetate.Ka taea te whakaputa i te acetate Vinyl ma te tauhohenga o te acetylene me te waikawa acetic.Ka puta mai i te ethylene me te waikawa acetic.Ko te Vinyl acetate te polymerized ki te polyvinyl acetate (PVA), e whakamahia ana i roto i te hanga o nga muka, kiriata, whakapiri, me nga peita latex.
Ko te acetate Cellulose, e whakamahia ana i roto i nga kakano me te kiriata whakaahua, ka hangaia ma te whakautu i te cellulose me te waikawa acetic me te anhydride acetic i te aroaro o te waikawa sulfuric.Ko etahi atu esters o te waikawa acetic, penei i te ethyl acetate me te propyl acetate, ka whakamahia i roto i nga momo tono.
Ka whakamahia te waikawa acetic ki te whakaputa i te polyethylene terephthalate (PET) kirihou.Ka whakamahia te waikawa acetic ki te whakaputa rongoa.

Ko te Glacial Acetic Acid he waikawa he wai marama, he kore tae, he reka te waikawa ina waimeha ki te wai.Ko te 99.5% teitei ake ranei i te parakore, ka tioata i te 17°c.Ka whakamahia i roto i nga kakahu huamata i roto i te ahua diluted hei whakarato i te waikawa acetic e hiahiatia ana.Ka whakamahia hei whakamarumaru, hei waikawa, hei kakara reka.Ka kiia hoki he waikawa acetic, he hukapapa.