Acetic acid
Cikakken Bayani
An bayar da ƙayyadaddun bayanai
Farin foda Abun ciki ≥ 99%
Ruwan gaskiya Abun ciki ≥ 45%
(Isalin bayanin aikace-aikacen 'amfani da samfur')
Tsarin crystal na acetic acid ya nuna cewa kwayoyin suna haɗuwa cikin dimers (wanda aka fi sani da dimers) ta hanyar haɗin hydrogen, kuma dimers kuma suna wanzu a cikin yanayin tururi a 120 ° C. Dimers suna da kwanciyar hankali mai girma, kuma an tabbatar da cewa acid carboxylic tare da ƙananan nauyin kwayoyin halitta irin su formic acid da acetic acid suna samuwa a cikin nau'i na nau'i na nau'i na ruwa ko hanyar dimers na ruwa mai ƙarfi. Ƙaddara ta hanyar raguwar maki mai daskarewa da rarrabuwar X-ray. Lokacin da acetic acid ya narkar da ruwa, haɗin gwiwar hydrogen tsakanin dimers ya karye da sauri. Sauran acid carboxylic suna nuna dimerization iri ɗaya.
EVERBRIGHT®'ll kuma samar da musamman: abun ciki / fari / barbashi / PHvalue / launi / packagingstyle / marufi bayani dalla-dalla da sauran takamaiman kayayyakin da suka fi dace da your amfani yanayi, da kuma samar da free samfurori.
Sigar Samfura
64-19-7
231-791-2
60.052
Organic acid
1.05 g/cm³
Mai narkewa cikin ruwa
117.9 ℃
16.6°C
Amfanin Samfur
Amfani da masana'antu
1. Acid acetic shine samfurin sinadarai mai girma, yana daya daga cikin mahimman kwayoyin acid. An fi amfani dashi don samar da acetic anhydride, acetate da cellulose acetate. Ana iya yin polyvinyl acetate a cikin fina-finai da mannewa, kuma shine albarkatun fiber na roba na Vinylon. Ana amfani da acetate cellulose don yin rayon da fim din hoto.
2. acetic ester kafa ta low alcohols ne mai kyau ƙarfi ƙarfi, yadu amfani a cikin fenti masana'antu. Saboda acetic acid yana narkar da mafi yawan kwayoyin halitta, ana kuma amfani da shi azaman kaushi na halitta (misali don oxidation na p-xylene don samar da terephthalic acid).
3. acetic acid za a iya amfani da a wasu pickling da polishing mafita, a cikin wani rauni acidic bayani a matsayin buffer (kamar galvanized, electroless nickel plating), a cikin Semi-haske nickel plating electrolyte a matsayin ƙari, a cikin passivation bayani na tutiya, cadmium iya inganta bonding karfi na passivation fim, da kuma fiye amfani da su daidaita da rauni acid ba.
4. don samar da acetate, kamar manganese, sodium, gubar, aluminum, zinc, cobalt da sauran karfe salts, yadu amfani da catalysts, masana'anta rini da fata tanning masana'antu Additives; Gubar acetate shine fenti launi gubar fari; Gubar tetraacetate shine reagent na kwayoyin halitta (misali, gubar tetraacetate za'a iya amfani da shi azaman wakili mai ƙarfi mai ƙarfi, samar da tushen acetoxy da shirya mahaɗan gubar kwayoyin halitta, da sauransu).
5. acetic acid kuma za a iya amfani da azaman analytical reagent, Organic kira, pigment da miyagun ƙwayoyi kira.
Amfanin abinci
A cikin masana'antar abinci, ana amfani da acetic acid azaman acidifier, mai ɗanɗano ɗanɗano da ƙamshi lokacin yin vinegar na roba, ana diluted acetic acid zuwa 4-5% da ruwa, ana ƙara abubuwan dandano daban-daban. Abin dandano yana kama da na giya na giya, kuma lokacin masana'antu yana da gajeren lokaci kuma farashin yana da arha. A matsayin wakili mai tsami, ana iya amfani dashi don kayan yaji na fili, shirye-shiryen vinegar, gwangwani, jelly da cuku, bisa ga bukatun samar da amfanin da ya dace. Hakanan yana iya tsara ƙamshi mai haɓakar ruwan inabin turare, adadin amfani shine 0.1 ~ 0.3 g/kg.
