Cov khoom lag luam
N-pentane yog cov kua tsis muaj xim nrog lub plab mog tsw qab heev {2} Kuv yog cov khoom siv hluav taws xob zoo nkauj heev nrog cua .
| Kev tshwm sim | Muaj kua tsis muaj xim |
| Tus ntxhiab | Roj av-zoo li |
| Ceev | 0.626 G / ML; 0.6262 G / ML (20 degree) |
| Melting taw tes | -130.5 txog -129.1 degree; -202.8 rau -200.3 Qib F; 142.7 txog 144.1 k |
| Kub taw tes | 35.9 txog 36.3 Qib; 96.5 txog 97.3 Degree F; 309.0 txog 309.4 k |
|
Solubility hauv dej |
40 mg / l (20 degree) |
| phau ntawv ceev xwmP | 3.255 |
| Vapor siab | 57.90 KPA (20.0 Degree) |
|
Henry Txoj Cai |
7.8 nmol pa−1kg−1 |
Kev siv
- Kaus: N-pentane yog ib qho zoo organic zoo, siv tau rau hauv cov xim, roj hmab, thiab cov roj hmab, thiab lwm yam khoom xyaw, thiab lwm yam}
- Tub yees: nws tuaj yeem siv ua lub tub yees, feem ntau tov nrog lwm cov tub yees tsis yog cua txias.
- Cov khoom siv raw rau cov synthic synthesis: n-pentane tuaj yeem siv los ua cov khoom sib xyaw ua ke, thiab lwm yam los npaj pentanol, pentanal thiab yog li ntawm.
Tuam txhab tau
GneebioMuaj ntau yam khoom lag luam, suav nrog cov khoom siv organic, thiab siv tau dav hauv kev tsim tawm cov {{.}} rau cov chaw tsim hluav taws xob, peb siv zoo Craftsmanship thiab nruj kev soj ntsuam .
Hauv kaum xyoo dhau los, peb tau pab peb cov neeg tau ua tiav ntau txhiab tus mob loj thiab peb tau txais txiaj ntsig rau cov neeg muaj zog hauv ntiaj teb
Txais tos tiv tauj peb kom paub meej ntxiv, peb yuav muab koj tus nqi sib tw tshaj plaws!
Tshuaj Txhuam Cov Khoom Siv Tshuaj Txiaj Ntsig
Gneebio Companpress Ib puag ncig
Cov neeg muas zaub mus xyuas GNEEBio Group
Tshuaj Txhuam Siv Khoom Siv Tshuaj Txhuam - Gneebio
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 {{}}}}}}} {{{3} {3} {3} {}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: reagent qib solvents n-pentane Cas 109-66-0 C5h12, Tuam Tshoj reassion bent}} C5HH12 Cov Chaw Tsim Tshuaj, Chaw muag khoom, Hoobkas