Formalin yog lwm lub npe rau cov tshuaj aqueous ntawm formaldehyde, tab sis lub npe tom kawg yog nyiam, vim formalin kuj siv los ua lub npe lag luam hauv qee lub tebchaws. Dawb formaldehyde yog siv rau hauv cov tshuaj pleev ib ce, tshwj xeeb tshaj yog nyob rau hauv cov tshuaj zawv plaub hau, thiab nyob rau hauv ntau yam tshuaj tua kab mob thiab tshuaj tua kab mob.
Vim li cas formaldehyde hu ua formalin?
mloog) rau-) (lub npe hu ua methanal) yog ib txwm tshwm sim cov organic compound nrog cov mis CH 2O (H−CHO). Cov khoom xyaw ntshiab yog a pungent-smelling tsis muaj xim tsis muaj roj uas polymerises spontaneously rau hauv paraformaldehyde(xa mus rau ntu Cov Ntawv hauv qab), yog li nws tau khaws cia ua cov tshuaj aqueous (formalin).
Y Yuav ua li cas formaldehyde hu ua formalin?
Formaldehyde (HCHO), tseem hu ua methanal, cov organic compound, qhov yooj yim ntawm aldehydes, siv ntau ntau hauv ntau yam kev tsim tshuaj. Nws yog tsim los ntawm vapour-theem oxidation ntawm methanol thiab feem ntau muag li formalin, 37 feem pua aqueous tov.
Yuav ua li cas formaldehyde hloov mus rau formalin?
Ob lub pa roj tuaj yeem tau txais los ntawm 'dej-gas cov tshuaj tiv thaiv' uas cuam tshuam nrog cov dej vapor hla cov coke kub. Methanol hloov mus rau hauv formaldehyde los ntawm catalytic vapor theem oxidation hla ib cov hlau oxide catalyst. … Nws feem ntau yog muab los ua cov tshuaj stabilized aqueous (∼40% formaldehyde) hu ua formalin.
Vim li cas formaldehyde txwv?
Nws tau pom tias nce kev pheej hmoo mob qog noj ntshav hauv cov tsiaj, thiab tau ntev tau xav tias yuav ua rau mob qog noj ntshav hauv tib neeg. Formaldehyde tau tshaj tawm tias muaj tshuaj lom neeg los ntawm Canadians hauv xyoo 1999, qee qhov kev siv tau raug txwv hauv Tebchaws Europe thiab Lub Chaw Haujlwm Saib Xyuas Kev Tshawb Fawb Txog Kev Tshawb Fawb Hauv Ntiaj Teb tau hu nws tias nws yog tus paub txog carcinogen.
