Cov khoom lag luam
Cov Khoom Siv
M-xylene is colourless transparent liquid with strong aromatic odour.
|
Tshuaj Cov Qauv |
C8H10 |
| Tus hniav loj | 106.16 g / mol |
| Kev tshwm sim | Muaj kua tsis muaj xim |
| Tus ntxhiab | Muaj ntxhiab nyob rau hauv cov siab |
| Ceev | 0.86 g / ml |
| Melting taw tes | -48℃(-54℃f; 225 k) |
| Kub taw tes | 139 Qib (282 Qib F; 412 K) |
|
Solubility hauv dej |
tsis hnov nrog dej |
| Solubility hauv ethanol | kom ua kom tiav |
| Solubility hauv diethy ether | kom ua kom tiav |
| Vapor siab | 9 mmhg (20 degree) |
|
Sib Nqus Tau Zoo (χ) |
-76.56·10−6cm3mol |
|
Cov indexial index (nD) |
1.49722 |
| Viscosity | 0. 8059 cp ntawm 0 degree 0.6200 CP ntawm 20 degree |
|
Lub caij dipole |
0.33-0.37 D |
Kev siv
M-Xylene feem ntau yog siv cov kuab tshuaj, siv hauv kev tsim cov khoom siv roj av, m-} m-dog-soluble polor ntawm xim zaj duab xis .
Tuam txhab tau
Cov Kev Pab Cuam Gnee:
{{0 {}} Cov qauv nyiaj .
2.} Cov Packing kuj tuaj yeem ua raws li cov neeg siv khoom siv .
{3. Txhua yam kev nug yuav teb tsis pub dhau 24 teev .
4.}} Peb muab daim ntawv qhia nqe lus, cov ntawv pov thawj khoom lag luam thiab keeb kwm muaj cov kev cai tshwj xeeb, qhia rau peb paub.
{{0 {}} Hoobkas nqe .
6.}}}}}}} Peb muaj kev koom tes zoo nrog koj ib zaug koj lees paub qhov kev txiav txim.
7. Peb tuaj yeem lees txais ntau txoj kev them nyiaj, L / C, PEs, PayPal Minis, thiab peb koom tes nrog kev ua txhaum ntau xyoo.
Cov FAQ
Q: Kuv tuaj yeem tau txais cov qauv li cas?
A: Ua ntej peb tau txais thawj zaug xaj, thov them taus tus qauv nqi thiab nthuav tawm tus qauv nqi thiab peb yuav xa tus qauv them rov qab rau koj hauv koj thawj zaug.
Q: Txawm hais tias koj tuaj yeem ua rau peb lub npe ntawm koj cov khoom?
A: yog {{{{{{{{}} peb tuaj yeem luam koj lub logo ntawm ob qho khoom thiab cov pob khoom yog tias koj tuaj yeem ntsib peb moq .
Q: Yuav ua li cas thiaj tau lav qhov zoo ntawm koj cov khoom?
A: 1) nruj nruj paub thaum ntau lawm . 2}}}}}}}}}) ua ntej cov khoom lag luam ntim khoom noj khoom haus ntim khoom ua ntej ntim khoom lag luam thiab cov khoom lag luam ntim khoom ntxiv
Q: Peb tuaj yeem muab cov kev pab twg?
A: Txais cov ntsiab lus xa khoom: FOB, CFR, CIF, EW, FCA, DAF;
Txais cov nyiaj them: USD, CNY;
Txais Cov Hom Them Nyiaj: T / T, L / C, D / PD / A;
Lus hais: Lus Askiv, Suav .
Cim npe nrov: Colorless pob tshab ua kua m-xyh cas no {}}}}}} {} chaw tsim khoom, cov chaw tsim khoom, Hoobkas