Cov khoom lag luam
Acetoniturile, feem ntau luv luv mecn, yog cov tshuaj sib txuas nrog cov kua c2h3n thiab ntau yam kev ua kom yooj yim},}} Cov ethanc, thiab yog ib qho yooj yim organic organic orgent {{4 4}}
| Kev tshwm sim | Muaj kua tsis muaj xim |
| Tus ntxhiab | Tsaus muag, sib txawv, gruity |
| Ceev | 0.786 g / cm3Thaum 25 degree |
| Melting taw tes | -46 txog -44 degree; -51 rau -47℃f; 227 txog 229 k |
| Kub taw tes | 81.3 txog 82.1 degree; 178.2 txog 179.7 Degree F; 354.4 txog 355.2 k |
|
Solubility hauv dej |
Kom ua kom tiav |
| phau ntawv ceev xwmP | −0.334 |
| Vapor siab | 9.71 KPA (ntawm 20.0 Degree) |
|
Henry Txoj Cai |
530 μmol / (Paay · KG) |
| Acidity (PKa) | 25 |
| UV-VIS (λtus zuag) | 195 nm |
| Kev nqus tau | Tsawg dua los yog sib npaug rau 0.10 |
|
Sib Nqus Tau Zoo (χ) |
−28.0×10−6cm3mol |
|
Cov indexial index (nD) |
1.344 |
|
Lub caij dipole |
3.92 D |
Kev siv
- Kaus: Acetonitrile yog ib qho tseem ceeb organic folvent, uas yog dav siv hauv petrochemical, tshuaj, hluav taws xob, tshuab hluav taws xob thiab lwm yam kev lag luam .
- Extractant: Hauv roj av ua kom zoo nkauj thiab petrochemical kev lag luam, nws tuaj yeem siv ua extractant butadiene thiab lwm cov ntaub ntawv siv tshuaj tseem ceeb los ntawm hydrocarbon mixtures .
- Cov khoom siv raw rau cov khoom siv tawm tswv yim: Nws yog cov khoom siv tseem ceeb rau cov khoom siv tshuaj lom neeg {}}}} pa thiab acrylonitrile los ntawm kev tawm tsam .
- Lwm yam kev siv: acetoniturile kuj tseem siv tau ua theem mobile rau chromatographic tsom rau lossis kev tawm tsam nruab nrab rau catalyst.
Tuam txhab tau
Hauv kaum xyoo dhau los, GNEE tau pab peb cov neeg tau ua tiav ntau txhiab tus mob loj thiab peb tau txais txiaj ntsig rau peb cov neeg siv khoom zoo rau peb cov neeg tau txais txiaj ntsig zoo rau peb cov neeg tau txais kev vam meej rau peb cov neeg siv khoom zoo
Cov FAQ
Q: Thaum twg cov zaub mov xa tuaj?
A: Cov zaub mov xa tuaj yuav tau ua nyob rau hauv 5-10 hnub tom qab tau txais kev them nyiaj yug {.
Q: Koj tus qauv los xyuas kom meej qhov zoo ntawm koj cov khoom?
A: Peb nruj ua raws li 6 kauj ruam rau kev tswj hwm zoo, pib los ntawm cov khoom siv raw, pib los ntawm cov khoom lag luam tiav rau cov khoom tiav tawm hauv lub hoobkas.
Q: Yuav ntev npaum li cas rau kuv kom tau txais cov qauv?
A: Peb yuav xa cov qauv tsis pub dhau {{}}}}}}5-7 Ua haujlwm hnub {}}
Q: Koj txais cov txheej txheem them nqi dab tsi?
A: Peb lees txais 50% them ua ntej lossis 100% them rau pom, lossis lwm txoj kev them nyiaj, yuav tsum sib tham.
Q: Qhov kev txiav txim yam tsawg kawg nkaus?
A: Feem ntau qhov kev txiav txim yam tsawg kawg nkaus yog 1kg, uas tuaj yeem siv ua piv txwv rau cov khoom lag luam tshwj xeeb yog 20 gram .
Cim npe nrov: Muaj Qib Kev Purity 99.9% xim tsis muaj kua acetonitrile (ace}}}}} cov chaw tsim khoom, cov chaw tsim khoom, Hoobkas