Thoob Ntiaj Teb - Tus Thawj Coj Dichloromethane: Cov Tshuaj Yaj Uas Muaj Nqis Uas Muaj Peev Xwm Txhawb Nqa Ntau Yam Kev Lag Luam
Cov Ntawv Thov Tseem Ceeb
Hauv kev lag luam pleev xim thiab txheej xim, peb cov dichloromethane yog cov tshuaj yaj zoo heev. Nws muaj lub zog yaj zoo heev, uas ua rau nws yaj tau ntau hom resins, pigments, thiab cov khoom siv hauv cov xim sai thiab zoo. Cov yam ntxwv no ua rau nws zoo tagnrho rau kev siv pleev xim. Txawm tias nws yog tshem cov xim qub ntawm lub tsheb qub, lub tsev ntoo, lossis cov khoom siv hauv kev lag luam, cov tshuaj pleev xim dichloromethane tuaj yeem ua tiav txoj haujlwm tau zoo. Ntxiv mus, hauv kev tsim cov xim tshiab thiab txheej xim, nws pab tsim kom muaj kev sib xyaw du thiab sib xws, ua kom muaj xim zoo sib xws thiab ua tiav zoo. Cov chaw tsim xim cia siab rau peb cov dichloromethane siab-purity los tsim cov khoom zoo tshaj plaws uas ua tau raws li ntau yam kev xav tau ntawm cov neeg siv khoom thiab kev lag luam.
Kev lag luam tshuaj kuj tau txais txiaj ntsig zoo los ntawm peb lub ntiaj teb - Premier Dichloromethane. Nws yog siv rau hauv cov txheej txheem rho tawm thiab ntxuav ntawm ntau cov tshuaj sib xyaw. Dichloromethane lub peev xwm los xaiv cov organic sib xyaw ua rau nws yog ib qho cuab yeej muaj txiaj ntsig zoo hauv kev sib cais thiab cais cov khoom xyaw nquag los ntawm cov sib xyaw ua ke. Piv txwv li, hauv kev tsim cov tshuaj los ntawm cov nroj tsuag, nws tuaj yeem siv los rho tawm cov bioactive sib xyaw los ntawm cov khoom siv cog. Cov tuam txhab tshuaj ntseeg peb lub dichloromethane kom ua tau raws li qhov yuav tsum tau ua kom zoo thiab huv ntawm kev tsim tshuaj, ua kom ntseeg tau tias muaj kev nyab xeeb thiab ua tau zoo ntawm lawv cov khoom.
Hauv kev lag luam hluav taws xob, dichloromethane ua lub luag haujlwm tseem ceeb. Nws yog siv rau kev ntxuav cov ntawv luam tawm Circuit Board (PCBs) thiab lwm yam khoom siv hluav taws xob. Thaum lub sijhawm tsim khoom siv hluav taws xob, PCBs tuaj yeem khaws cov khoom tsis huv xws li cov kua dej seem, hmoov av, thiab roj. Dichloromethane cov khoom ua kom sai thiab tsis ua rau nws yog qhov kev xaiv zoo rau kev ntxuav cov khoom no yam tsis ua rau puas tsuaj. Nws pab txhim kho kev ua tau zoo thiab kev ntseeg siab ntawm cov khoom siv hluav taws xob los ntawm kev tshem tawm cov khoom tsis huv uas yuav cuam tshuam rau kev sib txuas hluav taws xob. Cov chaw tsim khoom siv hluav taws xob vam khom peb cov dichloromethane kom ntseeg tau tias lawv cov khoom tsim tau zoo.
Hauv kev lag luam ua npuas dej, peb cov dichloromethane yog ib qho tseem ceeb rau kev ua npuas dej. Piv txwv li, thaum siv rau hauv kev tsim cov polyurethane ua npuas dej, nws ua pa thaum lub sijhawm ua npuas dej, tsim cov pa roj uas nthuav cov npuas dej. Qhov no ua rau cov npuas dej sib dua, muaj qhov nqus tau zoo nrog cov khoom rwb thaiv tsev zoo heev. Cov npuas dej no siv dav hauv kev lag luam tsim kho rau kev rwb thaiv tsev, hauv kev lag luam rooj tog rau kev ua cov ncoo xis nyob, thiab hauv kev lag luam ntim khoom rau kev tiv thaiv cov khoom yooj yim. Cov tuam txhab tsim cov npuas dej siv peb cov dichloromethane los tsim cov npuas dej zoo uas ua tau raws li cov kev xav tau tshwj xeeb ntawm ntau yam kev siv.
Cov Lus Qhia Tshwj Xeeb
| Lub Npe Khoom | Methylene Chloride | |||||||||
| Cov Qauv Tshuaj | CH2Cl2 | |||||||||
| Qhov Hnyav Molecular | 84.93 g/mol | |||||||||
| Qhov tsos | Cov kua tsis muaj xim pob tshab | |||||||||
| Qhov Kub Yaj | -96.7℃ | |||||||||
| Kub Kub | 39.8℃ | |||||||||
| Qhov Ceev | 1.325 g/mL | |||||||||
| CAS TSIS MUAJ | Xyoo 1975 - 9 - 2 | |||||||||
| Tus lej HS | 29031200 | |||||||||
| EINECS TSIS MUAJ | 200 - 838 - 9 | |||||||||
| Daim Ntawv Thov | Rau cov kuab tshuaj hauv tshuaj, xim, ntxuav hlau, thiab lwm yam | |||||||||
Daim Ntawv Tswj Xyuas Zoo
| Lub Npe Khoom | Methylene Chloride | ||||||
| YAM KHOOM | TUS NQI TXWV | TUS NQI XEEM | |||||
| KEV PUV NTUJ | ≥ 99.9% | 99.93% | |||||
| Kev Ntsuas HCL (ACD) | ≤ 0.0004% | 0.00038% | |||||
| Nqus dej | ≤ 0.010% | 0.0047% | |||||
| XIM (APHA), PT-CO | 10 | 5 | |||||
Hauv kev xaus lus
Peb lub ntiaj teb - Premier Dichloromethane tau ntim rau hauv cov thawv zoo, tsis muaj qhov xau kom tiv thaiv kev xau lossis evaporation thaum lub sijhawm khaws cia thiab thauj mus los. Txhua pawg tau dhau los ntawm kev kuaj xyuas zoo, suav nrog kev soj ntsuam kev huv, kev txiav txim siab cov dej noo, thiab kev soj ntsuam kev ua tau zoo. Txawm tias koj yog lub tuam txhab tsim xim hauv Tebchaws Europe, lub tuam txhab tshuaj hauv Asia, lub tuam txhab hluav taws xob hauv North America, lossis lub tuam txhab tsim ua npuas ncauj hauv Africa, peb lub dichloromethane yog qhov kev daws teeb meem txhim khu kev qha thiab hloov pauv tau uas koj xav tau. Nws muaj kev ua tau zoo tshaj plaws, lav tias nws ua tau raws li thiab tshaj qhov koj xav tau hauv kev lag luam.