Kev siv methylene chloride yog dab tsi?
Kev siv methylene chloride yog dab tsi?

Video: Kev siv methylene chloride yog dab tsi?

Video: Kev siv methylene chloride yog dab tsi?
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Anonim

Methylene chloride yog siv hauv ntau qhov txheej txheem kev lag luam hauv ntau qhov kev lag luam sib txawv: pleev xim, ua tshuaj, tsim xim tshem tawm, ua kom cov hlau huv thiab txo qis, tsim cov nplaum thiab siv, polyurethane ua npuas dej ntau lawm, tsim cov yeeb yaj kiab hauv paus, tsim cov polycarbonate cob, Ib yam li ntawd, nws tau nug, vim li cas methylene chloride siv los rho tawm?

Kev rho tawm . Kev rho tawm yog txheej txheem siv cais cov sib xyaw raws li lawv cov kev sib txawv hauv ob qhov hnyav uas tsis sib xyaw. Feem ntau, ib qho ntawm cov kuab tshuaj yuav yog dej thiab lwm qhov yuav yog cov organic hnyav (feem ntau methylene tshuaj dawb , diethyl ether, lossis ethyl acetate).

Tom qab ntawd, lo lus nug yog, ua li cas methylene chloride tua? Qhov tseeb yog qhov ntawd methylene choloride tau tua mam li nco dheev thiab tsis ceeb toom, thiab tsawg li 6 ooj tuaj yeem ua rau tuag taus. Methylene chloride tua los ntawm kev hloov mus rau carbon monoxide thaum nkag mus rau hauv lub cev. Thaum ua cov pa roj carbon monoxide, cov tshuaj lom neeg tawm oxygen hauv cov ntshav thiab sai sai rau lub plawv thiab lub hlwb ntawm huab cua.

Yog li ntawd, methylene chloride pom nyob rau hauv dab tsi?

Nws tuaj yeem yog pom hauv qee yam khoom siv aerosol thiab tshuaj tua kab thiab tau siv hauv kev tsim cov yeeb yaj kiab duab. Cov tshuaj yuav yog pom hauv qee cov tshuaj tsuag, tshuaj ntxuav tsheb, thiab lwm yam khoom siv hauv tsev. Methylene chloride tsis tshwm sim tshwm sim nyob rau hauv ib puag ncig.

Methylene chloride phem npaum li cas?

Kev tiv tauj tawv nqaij ntev yuav ua rau cov tshuaj kub hnyiab. Kev nthuav tawm los ntawm txhua txoj kev tuaj yeem ua rau CNS kev nyuaj siab. Ingestion ntawm methylene chloride ua tau mob hnyav mob plab. Cov pa roj carbon monoxide, ib qho metabolite ntawm methylene chloride , tuaj yeem ua rau qeeb cov teebmeem lom.

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