Cov khoom lag luam
Khoom:
N, n-daimethylformamide, lossis DMF rau luv luv, yog cov kua tsis muaj xim .
Nws muaj zoo thermal thiab tshuaj ruaj khov ruaj khov thiab ruaj khov nyob rau ntawm chav tsev kub {}} dmf yog lom thiab nqus tau yuav tsum zam .
| Ceev | 0 {. 944 G / ML (Lit.) |
| Melting taw tes | {{0 {}}℃(lit .) |
| Boling Taw | 153℃(lit .) |
| Kev sib hloov tshwj xeeb () | 0.94 º |
| Flash point | 136 Qib F |
| Dej solubility | soluble |
| So | Dej: ua kom tiav |
| Vapor presure | 2.7 hli HG (20 degree) |
| Vapor ceev | 2.5 (vs huab cua) |
| Kev tshwm sim | kua |
| Xim | APHA: Tsawg dua lossis sib npaug rau 15 |
| Tus ntxhiab | Tsaus muag, ammonia-zoo li tsw ntxhiab ntawm 100 ppm |
Ntim, cia thiab tsheb thauj mus los
N, n-daimethylformamide yog ib feem siv kuab tshuaj rau cov khoom siv hluav taws xob thiab cov tshuaj tiv thaiv reagent .
{{01. lag luam ntim: Cov khoom no feem ntau yog ntim rau hauv iav lossis cov raj mis zoo li lub raj mis tau ua kom lub raj mis tau ua rau.
Cov cim kev phom sij thiab daim ntawv qhia kev phom sij yuav tsum yog cim . 3.
{3. Kev Cia Siab: DMF yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav, cov neeg sawv cev zoo kom deb ntawm cov chaw {}}.
4. Kev Tiv Thaiv Tiv Thaiv: Cov hnab looj tes tiv thaiv thiab nqus ris tsho thiab nqus dej rau thaum muaj ntau cov dej {}}
5.}}}}}-Dimethylips Cov neeg sawv cev, muaj zog} paxes oxiding oxesping nrog lwm cov tshuaj tiv thaiv kev phom sij {}}
Tuam txhab tau
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
Ntim & Xa Tawm
Ntim: 25kg Fiber nruas nrog PE nyob rau hauv linner lossis customized ntim muaj.
Lub sij hawm xa tuaj: 7-10 hnub tom qab paub meej .
Cov FAQ
Q: Koj yuav tswj tau qhov zoo li cas?
A: Peb muaj tus kheej tswj kom zoo, tseem ua lwm yam peb-tog kev sim .
Q: Koj puas kam txais cov xaj ntawv me?
A: yog {{{.}} Yog tias koj yog tus neeg muag khoom me me yog tias koj pib ua lag luam, peb tau txaus siab kom loj hlob nrog koj .
Thiab peb tab tom nrhiav rau pem hauv ntej kom sib koom tes nrog koj rau kev sib raug ntev ntev .
Q: Koj puas muab tus qauv?
A: Kom paub meej, peb muab cov qauv dawb .
Q: Yuav ua li cas txog tus nqi? Koj tuaj yeem ua rau nws pheej yig dua?
A: Peb ib txwm coj tus neeg yuav khoom tau txiaj ntsig raws li qhov tseem ceeb tshaj plaws tseem ceeb tshaj plaws hauv qab, peb muaj kev sib tw nyob hauv ntau qhov kev sib txawv ntawm .
Cim npe nrov: Tsis muaj kob kua n, n-dimethylformamide dmf cas {}}} tsis muaj kua ntses}}} Cov chaw tsim khoom, cov chaw tsim khoom, Hoobkas