Ukubunjwa, Isayensi
Yintoni na le oli fusel
oyile Fusel ibizwa eceleni yokubola. Igcwele elubhorha ngotywala crude kwaye abe livumba elibi kakhulu isici. Bamele i ulwelo olunamafutha, apho unokuba umbala ukusuka mthubi ukukhanya ukuba yingqombela brown. Icandelo iphambili yale iziyobisi alkoholi C3-C9, kunye aldehydes furfunol acids okunamafutha.
Xa iziselo ekhaya kunye alkoholi ephezulu yezi ubumdaka ngxaki kakhulu sibi. niyalazi neyanamhlanje lwenziwa kusetyenziswa izixhobo ezizodwa. Ilungiselela utywala okuqokelelwe-agaye utshwala. Ngaphezu koko, itshiswa ukuya kwiqondo eliphezulu. Ngenxa yoko, baqale ume ngaphandle wesigidi utywala. Emva okupholisa, ejiya yokugqibela kwaye ingena isikhongozeli walungisa ngaphambili phantsi.
Xa ulwelo kubaluleke kakhulu ukujonga imo ubushushu. elimsulwa ukukhanya eziqulethwe Braga, baqale lubila lobushushu izidanga malunga 68. Ngaphezu koko, kubushushu 78 ° C, i komphunga okunzulu -ethanol. Xa zokufudumeza emva ukuya ku-85 ° C ukusuka kwimveliso ekuqaleni kuba ioli abadumileyo fusel ezingathandekiyo.
Kweli nqanaba kufuneka ize nizilumkele ke kunene. Okokuqala, kufuneka uthathelwe ingqalelo ukuze lobushushu umkhala akazange avuke ngaphezu 83 C. Kungenjalo, njengokuba sele kukhankanyiwe ngentla apha, uya kunikwa ukususela oyile fusel. Okwesibini, ngeli xesha, ukuba komphunga ethanol, apho umxholo wayo ngcembe awusafuni Braga.
Emva koko, lo asile ngenxa ukususa i oyile ebanjwe kuyo oluthe xhaxhe lunakho nyulu. Ukuza kuthi ga ngoku, ingasetyenziswa iindlela ngeendlela. Umsebenzi olula igqalwa ukucocwa asile potassium permanganate. Ukulungiselela le njongo ngayo ngaphambili exutywe namanzi. Ngelitha asile kufuneka malunga 1-2 grams. Isisombululo yahlaliswa obuthelwe asile kwaye avunyelwe ukuba eme ngeenyawo iiyure 10-12. Emva ukucaciselwa nangakumbi kunye imvula, ulwelo kuhluzeka eli laphu.
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