Cov khoom lag luam
Perchlorethylene (PCCE) yog cov kua dej tsis muaj zog nrog lub {roj hmab, thiab roj hmab}}} decoscoacetalhyde thiab phosgene nyob rau hauv Lub xub ntiag ntawm dej, dej thiab oxygen rau lub sijhawm ntev, corrosive rau cov hlau .
|
Tshuaj Cov Qauv |
C2CL4 |
| Tus hniav loj | 165.82 G / Mol |
| Kev tshwm sim | Ntshiab, heev heev cov kua tsis muaj kob |
| Tus ntxhiab | Mob me, ntse thiab qab zib |
| Ceev | 1.622 g / cm3 |
| Melting taw tes | -22.0 rau -22.7℃(-7.6 txog -8.9℃f; 251.2 txog 250.5 k) |
| Kub taw tes | 121.1 Qib (250.0 Degree F; 394.2 k) |
|
Solubility hauv dej |
0.15 G / L (25 degree) |
| Vapor siab | 14 mmHg (20 degree) |
|
Sib Nqus Tau Zoo (χ) |
−81.6·10−6cm3mol |
|
Cov indexial index (nD) |
1.505 |
| Viscosity | 0.89 CP ntawm 25 degree |
Kev siv:
- Kev ua kom huv huv: perchlorethylene (PCCE) yog kev ua kom muaj zog zoo heev nrog cov roj muaj zog kom yaj thiab av .
- Cov Khoom Siv Cov Khoom Siv Tshuaj: Nws yog cov khoom siv tseem ceeb rau kev tsim cov tshuaj organ ofic ntawm hydrochloroflues, tshuaj nyob rau hauv Intermediates thiab yog li ntawm .
- Cov neeg saib xyuas hlau: perchlorethylene muaj zoo solubility rau roj, feem ntau siv rau hauv kev tsim khoom, hluav taws xob thiab lwm yam kev lag luam rau cov hlau seem tu {}}
- Lwm yam siv: PCCE kuj tseem siv tau raws li extractant kom rho tawm cov tshuaj tshwj xeeb los ntawm kev sib xyaw, xws li roj thiab cov txuj lom los ntawm cov nroj tsuag; Hauv qee cov nplaum thiab txheej ci, nws kuj tseem tuaj yeem siv los ua cov kuab tshuaj thiab kev tsim kho ntawm cov khoom .
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 lag luam '}}
{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: Koj yuav tswj tau qhov zoo li cas?
A: Peb muaj ntau tshaj 10 xyoo kev hauv kev xa tshuaj chemical, peb cov neeg siv khoom lag luam tau pab peb ua kom muaj sia nyob hauv kev ua lag luam no .
Q: Koj puas muaj Tshuag?
A: Feem ntau ntawm cov khoom yog nyob rau hauv ib txwm tsim thiab peb tuaj yeem nkoj tam sim ntawd .
Q: Koj puas yog lub Hoobkas lossis lub tuam txhab ua lag luam?
A: Peb yog lub Hoobkas . Peb lub Hoobkas yog nyob hauv Henan xeev, peb zoo siab tos txais cov qhua tuaj noj mov hauv tsev thiab txawv txav tuaj xyuas peb! Peb yuav muab koj cov khoom lag luam zoo thiab cov nqi sib tw raws li ib txwm .
Q: Puas yog nws ua tau siv kuv daim ntawv sau npe tshwj xeeb lossis ntim khoom?
A: Tau kawg koj tuaj yeem .}}} yog tsim nyog, peb tuaj yeem siv daim ntawv lo lossis pob raws li koj cov kev xav tau.
Q: Kuv tuaj yeem tau txais cov khoom muag tom qab them nyiaj li cas?
A: Rau cov khoom me me, peb yuav xa cov khoom rau koj los ntawm International Express (DHL, FedEx, thiab lwm yam {{}}}}}}}} .
Rau cov khoom loj, cov dej hiav txwv thauj khoom yog qhov zoo dua . Nws siv sijhawm li ob peb lub lis piam, nyob ntawm qhov chaw nres nkoj ntawm lub chaw nres nkoj .
Cim npe nrov: Organic Tshuaj Siv Phaj (pce) cas) cas)}}} C2cl4, Tuam Tshoj Organat Fit {} C2Cl4 tuam tsev, cov chaw muag khoom, Hoobkas