Ethanol 99% Rau Kev Siv Hluav Taws Xob
Technical Index
| Cov khoom | Chav tsev | Kev tshwm sim |
| Qhov tshwm sim | Colorless pob tshab kua nrog aromatic tsw | |
| viscosity | mPa·s (20 ºC) | 1.074 ib |
| Qhov ntom | g / cm³ (20 ºC) | 0.7893 ib |
| Molecular hnyav | 46.07 Nws | |
| Boiling point | ºC | 78.3 ib |
| Melting Point | ºC | -114.1 |
Kev siv
Ib qho ntawm cov kev siv tseem ceeb tshaj plaws ntawm ethanol yog kev tsim cov acetic acid, dej haus, flavors, dyes thiab fuels. Nws ua lub luag haujlwm tseem ceeb hauv kev kho mob, thiab ethanol nrog ib feem ntawm 70% mus rau 75% feem ntau yog siv los ua tshuaj tua kab mob. Nws muaj peev xwm tua cov kab mob thiab cov kab mob ua rau nws yog qhov kev xaiv nrov rau kev tua kab mob cov cuab yeej kho mob thiab decontaminating qhov chaw. Tsis tas li ntawd, ethanol kuj tau siv dav hauv kev lag luam tshuaj, kev kho mob thiab kev noj qab haus huv, kev lag luam zaub mov, kev tsim ua liaj ua teb thiab lwm yam. Nws versatility thiab ntau yam ntawm daim ntawv thov ua rau nws ib tug indispensable muaj nyob rau hauv ntau yam khoom.
Hauv kev kho mob, ethanol muaj nuj nqis heev rau nws cov tshuaj tua kab mob. Nws lub peev xwm los tshem tawm cov kab mob tsis zoo tau raug pov thawj los ntawm kev tshawb fawb thiab kev sim ntau. Ntxiv nrog rau kev siv tshuaj tua kab mob, ethanol yog siv rau hauv kev tsim cov tshuaj ntau yam, cov khoom siv tshuaj, thiab cov khoom tu tus kheej. Nws compatibility nrog rau lwm cov organic solvents tso cai rau cov creation ntawm kev cai formulations uas ua tau raws li cov kev cai ntawm kev siv sib txawv.
Kev lag luam zaub mov kuj tau txais txiaj ntsig zoo los ntawm cov khoom ntawm ethanol. Nws yog ib qho tseem ceeb muaj nyob rau hauv condiments, kom ntseeg tau tias nplua nuj thiab cim saj ntawm ntau yam khoom noj thiab dej haus. Tsis tas li ntawd, ethanol ua raws li kev khaws cia, ncua lub txee lub neej ntawm cov khoom puas tsuaj. Nws cov toxicity tsawg thiab siab solubility zoo heev pab rau nws versatility nyob rau hauv daim ntawv thov zaub mov.
Hauv kev xaus, ethanol ua pov thawj tias yog ib qho khoom siv tsis muaj nuj nqis nrog ntau yam kev siv. Los ntawm nws siv los ua tshuaj tua kab mob hauv cov chaw kho mob mus rau nws lub luag haujlwm hauv kev tsim cov dej haus thiab tsw, ethanol tseem yog ib qho tseem ceeb hauv kev lag luam sib txawv. Nws versatility, ua ke nrog nws cov hauj lwm zoo thiab compatibility nrog lwm yam tshuaj, ua rau nws ib tug nrhiav-tom qab muaj. Ua raws li qhov muaj peev xwm ethanol muaj thiab paub txog cov txiaj ntsig uas nws tuaj yeem coj mus rau koj cov khoom thiab kev ua haujlwm.
