Lub VOC detector puas tuaj yeem kuaj pom formaldehyde? Qhov kev sib txuas ntawm lawv yog dab tsi?
1, Common volatile organic toxic gases
Cov pa roj no feem ntau muaj cov yam ntxwv tsis zoo thiab muaj dav dav hauv kev tsim tshuaj lom neeg, pleev xim, luam ntawv, thiab lwm yam xwm txheej. Handheld gas detectors tuaj yeem ntes lawv los ntawm photoionization lossis electrochemical sensors
Benzene derivatives, xws li benzene, toluene, xylene, thiab lwm yam, feem ntau yog siv rau hauv kev tsim thiab siv cov xim, coatings, thiab adhesives. Lawv muaj zog toxicity thiab ntev mus ntev yuav ua rau tib neeg hematopoietic thiab paj hlwb. Thaum mob hnyav, lawv tuaj yeem ua rau mob qog noj ntshav;
Halogenated hydrocarbons, suav nrog chloroform, carbon tetrachloride, trichloroethylene, thiab lwm yam, feem ntau siv hauv kev lag luam tu qhuav, hlau degreasing txheej txheem, thiab tshuaj synthesis. Lawv tuaj yeem ua rau muaj kev puas tsuaj loj rau cov kabmob xws li daim siab thiab lub raum, thiab qee qhov tuaj yeem ua rau deformities lossis kev hloov caj ces;
Aldehydes thiab ketones: xws li formaldehyde, acetaldehyde, acetone, thiab lwm yam. Formaldehyde feem ntau siv rau hauv cov khoom siv kho kom zoo nkauj thiab cov rooj tog tsim khoom, thiab tuaj yeem ua rau khaus khaus thiab tawv nqaij, ua rau muaj kev tsis haum tshuaj. Kev kis mus ntev ua rau muaj kev pheej hmoo ntawm mob qog noj ntshav; Acetone, raws li cov kuab tshuaj nquag siv, tuaj yeem cuam tshuam lub hauv nruab nrab lub paj hlwb thaum nqus tau los ntawm qhov siab, ua rau kiv taub hau thiab tsis nco qab.
2, Cov pa roj carbon dioxide muaj cov sulfur thiab nitrogen
Cov pa roj no feem ntau muaj cov ntxhiab tsw ntxhiab thiab qee qhov muaj tshuaj lom heev. Handheld gas detectors feem ntau siv electrochemical sensors los saib xyuas lawv sai
Sulfur muaj cov pa roj: xws li hydrogen sulfide, methyl mercaptan, thiab lwm yam. Hydrogen sulfide feem ntau yog siv rau hauv kev kho dej phwj, roj extraction, qhov chaw pov tseg, thiab lwm yam xwm txheej. Nws yog tshuaj lom heev thiab tuaj yeem ua rau kiv taub hau thiab xeev siab thaum nqus tau me me. Thaum muaj ntau ntau, nws tuaj yeem ua rau tuag taus; Methyl mercaptan feem ntau yog muab los ntawm kev tsim tshuaj lom neeg thiab kev ua zaub mov, nrog rau cov ntxhiab tsw phem thiab muaj zog ua rau muaj zog ntawm cov mucous membranes, uas tuaj yeem ua rau ua pa;
Nitrogen uas muaj cov pa roj: xws li aniline, pyridine, thiab lwm yam. Aniline yog siv rau hauv cov tshuaj zas xim thiab cov khoom siv tshuaj thiab tuaj yeem nkag mus rau tib neeg lub cev los ntawm kev sib chwv lossis nqus pa, ua rau methemoglobinemia, cyanosis, ua pa nyuaj, thiab lwm yam tsos mob; Pyridine yog ib qho tseem ceeb tshuaj raw khoom nrog irritants. Kev kis mus ntev tuaj yeem ua rau lub siab thiab lub raum ua haujlwm thiab cuam tshuam rau cov kab mob metabolic.
3, Lwm cov pa roj carbon monoxide
Ntxiv nrog rau cov pawg saum toj no, cov cuab yeej siv hluav taws xob tuaj yeem tshawb xyuas ntau yam tshuaj lom neeg uas muaj nyob hauv kev lag luam thiab ib puag ncig, ua raws li qhov xav tau sib txawv:
Esters thiab ethers: xws li ethyl acetate, ether, thiab lwm yam. Ethyl acetate feem ntau yog siv los ua cov kuab tshuaj hauv cov tshuaj pleev xim thiab cov tshuaj pleev xim, thiab muaj qhov ua rau khaus ntawm qhov muag, qhov ntswg, thiab caj pas. Cov ntsiab lus siab tuaj yeem ua rau mob taub hau thiab xeev siab; Ether tau siv ib zaug los ua tshuaj loog, thiab kev nqus pa ntau dhau tuaj yeem cuam tshuam qhov chaw ua pa, ua rau ua pa tuag tes tuag taw hauv qhov mob hnyav;
Olefins thiab alkynes: xws li ethylene, propylene, acetylene, thiab lwm yam. Cov ntsiab lus siab ntawm ethylene tuaj yeem cuam tshuam rau hauv nruab nrab lub paj hlwb, ua rau muaj kev nco qab; Acrylic muaj qhov cuam tshuam rau lub qhov muag thiab ua pa, thiab qhov ntev ntev yuav cuam tshuam rau lub plab zom mov; Txawm hais tias acetylene feem ntau yog siv los ua roj, nws muaj cov khoom suffocating ntawm qhov siab thiab ua rau muaj kev phom sij tawg thaum sib xyaw nrog huab cua. Lub ntsuas hluav taws xob ntawm tes tuaj yeem pab saib xyuas nws qhov xwm txheej.
