Dab tsi yog Perchlorethylene (CAS 127-18-4) siv rau hauv kev lag luam?

Perchlorethylene (PCE),tseem hu ua tetrachlorethylene (CAS 127-18-}4), yog cov kua tsis muaj xim, pob tshab nrog cov mis molecular C₂Cl₄. Nws yog xim tsis muaj xim, pob tshab kua. Nws muaj ntxhiab tsw zoo li ether. Tsis-flammable. Tus txheeb ze molecular mass: 165.85. Tus txheeb ze ntom ntom: 1.6220. Melting point: -22.7 ° C. Kub taw tes: 121.2℃(33.2℃ntawm 4.000 × 10³ Pa). Refractive Index: 1.5055. Viscosity: 0.839 mPa·s (20 degree).

PCE yog insoluble hauv qab zib, glycerol thiab protein, thiab yog me ntsis soluble hauv dej (0.015 g / L ntawm 25 degree). Nws yog miscible nrog ethanol, ether, chloroform, benzene thiab lwm yam chlorinated hydrocarbons. Nws tsis hydrolyse.

Dab tsi yog Perchlorethylene (CAS 127-18-4) siv rau hauv kev lag luam?

Hauv kev lag luam tu, pTom ntej: Erchlorethylene (CAS 127-18-4)yog siv los ua kuab tshuaj. Vim nws lub zog yaj zoo heev, tetrachlorethylene tuaj yeem tshem tawm cov roj thiab impurities los ntawm cov hlau. Piv txwv li, hauv kev tu cov khoom siv kho tshuab, tetrachlorethylene tuaj yeem ua kom cov roj sai sai, rov ua kom cov khoom kom huv si. Nws kuj yog siv los ntxuav cov khoom siv hluav taws xob.

Hauv kev lag luam tu qhuav, tetrachlorethylene yog ib zaug siv hnyav hnyav. Nws tuaj yeem yaj cov roj stains ntawm cov khaub ncaws, xws li roj thiab pleev xim, tsis muaj kev puas tsuaj rau feem ntau cov ntaub.

PCE Perchlorethylene kuj tseem siv rau hauv cov tshuaj synthesis. Raws li qhov nruab nrab lossis cov tshuaj tiv thaiv nruab nrab, nws koom nrog hauv kev npaj ntawm qee cov organic tebchaw. Piv txwv li, hauv qee qhov kev cuam tshuam polymerization, PCE tuaj yeem ua cov kuab tshuaj, pab cov reactants sib tov sib npaug thiab txhawb cov tshuaj tiv thaiv.

Tiv tauj peb tam sim no rau qhov kev tsocai tshiab kawg; peb lav tus nqi sib tw kiag li!

Nyem Kom Thov Ib Daim Ntawv Tso Cai

txog peb

Henan Gneebiotau tsim nyob rau hauv 2016, ua raws li lub koom haum lub tswv yim ntawm "cov khoom siv tshuaj lom neeg thoob ntiaj teb" thiab tsom mus rau siab -kev lag luam tshuaj lom neeg zoo. Lub tuam txhab feem ntau cuam tshuam cov khoom siv tshuaj lom neeg, xws li dichloromethane; methyl sulfoxide DMSO ( qib kev lag luam thiab kws tshuaj); ethylene glycol (MEG); p-Xylene, thiab lwm yam.

Tag nrho peb cov khoom siv tshuaj lom neeg tau txais cov ntawv pov thawj thoob ntiaj teb suav nrog REACH, ISO, FMQS, HALAL, thiab Halal ntawv pov thawj, kom ntseeg tau tias muaj txiaj ntsig zoo thiab kev lees paub thoob ntiaj teb, Peb muaj cov tsev khaws khoom hauv coreports xws li Qingdao, Tianiin, thiab Shanghai, nrog rau 15-hnub kev xa khoom xa tuaj.

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