Cov txheej txheem:
- Nplooj ntawv no luv luv tham txog qee qhov tseem ceeb ntawm kev siv cawv yooj yim, xws li methanol, ethanol thiab propan-2-ol
- Cov Dej Tsis Muaj Dej
Video: Dab tsi yog cawv siv rau?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tej zaum ob qhov dej cawv uas paub zoo tshaj plaws yog ethanol thiab methanol (lossis methyl cawv ). Ethanol tau siv hauv chav dej, tshuaj, thiab roj, thiab nws yog siv kom tsis huv cov cuab yeej hauv tsev kho mob. Nws yog, ntxiv mus, lub cawv nyob rau hauv cawv dej haus.
Ib yam li ib tus tuaj yeem nug, kev siv dej cawv tseem ceeb yog dab tsi?
Nplooj ntawv no luv luv tham txog qee qhov tseem ceeb ntawm kev siv cawv yooj yim, xws li methanol, ethanol thiab propan-2-ol
- Dej Cawv.
- Muaj cov tshuaj methylated.
- Siv ethanol ua roj.
- Ethanol ua cov kuab tshuaj.
- Methanol ua roj.
- Methanol raws li kev lag luam khoom noj khoom haus.
- Cov koom tes.
Ib yam nkaus, cawv twg siv hauv dej haus? Dej cawv , ib yam cawv uas muaj cawv, xws li cawv, npias, lossis cawv cawv, uas muaj ethyl cawv , los yog ethanol (CH3CH2OH), ua tus neeg ua rau qaug cawv. Kev kho mob luv luv ntawm dej cawv ua raws Rau kev kho mob tag nrho, saib cawv noj.
Ib yam li ib tus tuaj yeem nug, puas yog cawv siv rau lub hom phiaj kho mob?
Dej cawv, nyob rau ntau yam, yog siv hauv tshuaj kho mob raws li antiseptic, tshuaj tua kab mob, thiab tshuaj tua kab mob. Hom ntawm cawv siv suav nrog ethanol , denatured ethanol , 1-propanol, thiab isopropyl cawv . Nws muaj txiaj ntsig zoo tiv thaiv kab mob ntawm cov kab mob me me txawm tias tsis ua rau cov kab mob tsis ua haujlwm.
4 hom cawv yog dab tsi?
Cov Dej Tsis Muaj Dej
- Npias. Npias yog cov cawv cawv nrov tshaj plaws thoob ntiaj teb.
- Caw. Caw yog lwm qhov dej cawv uas neeg nyiam thiab nyiam puag thaum ub.
- Nyuaj Cider. Hard cider yog fermented kua kua txiv.
- Mead. Mead, sib xyaw dej thiab fermented zib ntab, muaj nruab nrab ntawm 10% txog 14% ABV.
- Saké
- Gin.
- Brandy.
- Whisky.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm ethyl cawv thiab methyl cawv?
Qhov sib txawv ntawm methyl cawv thiab cawv cawv yog tias methyl cawv yog cawv cawv, uas yog tshuaj lom yog tias nws tau noj. Ethylalcohol yog cawv cawv. Txawm hais tias nws kuj yog qhov txaus ntshai hauv qhov ntau, nws yog cawv nyob hauv cov dej cawv. Txawm li cas los xij, ethanol muaj qhov txo qis zog ntau dua li roj av
Yuav muaj dab tsi tshwm sim yog tias koj muab cawv cawv tso rau hauv microwave?
Yog hais tias los ntawm cawv, koj txhais tau tias isopropyl cawv, rub cawv, nws yog 70 % isopropyl cawv thiab 30 % dej. Txij li cov cawv tau kub hnyiab heev, txhua lub txim yuav ua rau cov pa tawg tuaj yeem ua rau lub cev puas tsuaj rau koj thiab lub microwave. Yuav tsum tau sau tseg, txawm li cas los xij, microwave ncu feem ntau tsis tawg
Dab tsi yog cawv cawv hu ua hauv Australia?
Isopropyl cawv feem ntau yog hais txog kev nkag siab ntau dua 90% uas yog vim li cas nws thiaj li nquag siv hauv kev lag luam thiab kev lag luam. Denatured cawv, paub hauv Australia tias yog methylated ntsuj plig yog ethanol cawv uas tau tsis muaj npe thiab muaj ntau pua yam tshuaj ntxiv
Kev Tswj Dej Cawv Dej Cawv yog dab tsi?
Ib lub xeev lub chaw haujlwm tso cai tswj cawv thiab haus cawv thiab tswj hwm leej twg tuaj yeem tsim khoom, thauj thiab muag cov dej cawv. Cov tub ceev xwm tswj dej cawv thiab dej haus yog cov tub ceev xwm saib xyuas kev thaj yeeb nyab xeeb uas tshawb xyuas cov neeg thov daim ntawv tso cai, teb cov lus sib liam thiab tswj hwm lub xeev txoj cai haus cawv
Dab tsi cawv yog siv los rub cov cawv?
Lub hauv paus tseem ceeb ntawm kev haus cawv yog isopropyl cawv. Rub cawv feem ntau yog 70% isopropyl cawv, tab sis feem pua yog los ntawm 60% mus rau 99% isopropyl cawv