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huahana

Acetic acid

wehewehe pōkole:

He ʻakika monic organik, ka mea nui o ka vīneka. ʻO ka waiʻakika anhydrous acetic maʻemaʻe (glacial acetic acid) he wai hygroscopic kala ʻole, ʻaʻohe ʻakika palupalu a me ka corrosive kona hoʻonā wai, a he ikaika loa ia i nā metala.



Huahana Huahana

Huahana Huahana

Nā kikoʻī huahana

Kiʻi Huahana

Hāʻawi ʻia nā kikoʻī

Pauda keʻokeʻo Maʻiʻo ≥ 99%

ʻO ka wai māmā Maʻiʻo ≥ 45%

 (Ka palena o ka palapala noi 'hoʻohana huahana')

Hōʻike ke ʻano aniani o ka ʻakika acetic ua hoʻopaʻa ʻia nā molekala i nā dimer (ʻike ʻia ʻo dimers) e nā paʻa hydrogen, a ke noho nei nā dimer i ka moku mahu ma 120 ° C. He kiʻekiʻe ke kūpaʻa o nā dimers, a ua hōʻike ʻia ʻo nā ʻakika carboxylic me ka haʻahaʻa molekala haʻahaʻa e like me ka formic acid a me ka acetic acid e noho ana ma ke ʻano o ka wai a me ke ʻano o ke kinoea paona ma ke ʻano o ke kinoea. ka hoemi ana i ka pahu hau a me ka hoemi X-ray. Ke hoʻoheheʻe ʻia ka ʻakika acetic me ka wai, ua haki koke nā paʻa hydrogen ma waena o nā dimer. Hōʻike like nā ʻakika carboxylic ʻē aʻe.

E hāʻawi pū ʻo EVERBRIGHT® i nā kikoʻī kikoʻī i hoʻopilikino ʻia: ʻiʻo/keʻokeʻo/particlesize/PHvalue/color/packagingstyle/pack specifications a me nā huahana kikoʻī ʻē aʻe i kūpono i kāu kūlana hoʻohana, a hāʻawi i nā laʻana manuahi.

Laina Huahana

CAS Rn

64-19-7

EINECS Rn

231-791-2

FORMULA wt

60.052

KĀWAI

ʻakika organik

NUI

1.05 g/cm³

H20 SOLUBILITY

Hiki i ka wai

PALAPALA

117.9 ℃

HE HOOLAHA

16.6°C

Hoohana Huahana

Paʻi a hoʻoluʻu 2
Mea ʻAi-Vinega
Kinohi aniani

Hoʻohana ʻenehana

1. ʻO ka ʻakika acetic kahi huahana kemika nui, ʻo ia kekahi o nā mea waiwai nui. Hoʻohana nui ia no ka hana ʻana i ka acetic anhydride, acetate a me cellulose acetate. Hiki ke hana ʻia ka polyvinyl acetate i nā kiʻiʻoniʻoni a me nā mea hoʻopili, a ʻo ia hoʻi ka mea maka o ka synthetic fiber Vinylon. Hoʻohana ʻia ka cellulose acetate e hana i ka rayon a me ke kiʻi ʻoniʻoni.

2. ʻO ka ester acetic i hana ʻia e nā waiʻona haʻahaʻa he mea hoʻoheheʻe maikaʻi loa, hoʻohana nui ʻia i ka ʻoihana pena. Ma muli o ka hoʻoheheʻe ʻana o ka ʻakika acetic i ka nui o nā mea olaola, hoʻohana mau ʻia ʻo ia ma ke ʻano he mea hoʻoheheʻe kūlohelohe (e laʻa no ka hoʻoheheʻe ʻana o ka p-xylene e hoʻohua ai i ka waikawa terephthalic).

3. hiki ke hoʻohana 'ia ka acetic acid i loko o kekahi pickling a me ka polishing solutions, i loko o ka solution acidic weakly e like me ka buffer (e like me galvanized, electroless nickel plating), i ka nickel plating electrolyte semi-bright ma ke ano he additive, i ka hopena passivation o ka zinc, hiki i ka cadmium ke hoʻomaikaʻi i ka ikaika hoʻopaʻa o ka passivation wai, a me ka pH maʻamau i hoʻohana ʻia i ka waiʻauʻau nāwaliwali.

4. no ka hana ʻana i ka acetate, e like me ka manganese, sodium, ke kēpau, aluminika, zinc, cobalt a me nā paʻakai metala ʻē aʻe, hoʻohana nui ʻia e like me nā catalysts, nā lole lole a me nā mea hoʻohui ʻoihana tanning ʻili; ʻO ke alakaʻi acetate ke kala kepau keʻokeʻo; ʻO ka Lead tetraacetate kahi mea hoʻoheheʻe organik synthesis (no ka laʻana, hiki ke hoʻohana ʻia ka tetraacetate alakaʻi ma ke ʻano he mea hoʻoheheʻe ikaika, hāʻawi i kahi kumu o ka acetoxy a hoʻomākaukau i nā pūhui alakaʻi organik, etc.).

5. Hiki ke hoʻohana ʻia ka acetic acid ma ke ʻano he analytical reagent, organic synthesis, pigment a me ka lāʻau synthesis.

Hoʻohana meaʻai

I ka ʻoihana meaʻai, hoʻohana ʻia ka acetic acid ma ke ʻano he acidifier, mea ʻala a me nā mea ʻala i ka wā e hana ai i ka vīnega synthetic, ua hoʻoheheʻe ʻia ka acetic acid i ka 4-5% me ka wai, a hoʻohui ʻia nā mea ʻono like ʻole. Ua like ka ʻono me ka vīnega ʻawaʻawa, a he pōkole ka manawa hana a he ʻuʻuku ke kumu kūʻai. Ma ke ʻano he mea ʻawaʻawa, hiki ke hoʻohana ʻia no ka hoʻohuihui ʻana, hoʻomākaukau i ka vīneka, canned, jelly a me ka paʻakai, e like me nā pono hana o ka hoʻohana kūpono. Hiki iā ia ke haku i ka mea hoʻonui ʻala o ka waina ʻala, ʻo ka nui o ka hoʻohana ʻana he 0.1 ~ 0.3 g / kg.


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