Ammonia yog suav tias yog ib qho kev phom sij rau kev noj qab haus huv vim tias nws ua rau tawv nqaij, qhov muag, thiab lub ntsws. raug rau 300 feem ntawm ib lab (ppm) yog qhov txaus ntshai rau lub neej thiab kev noj qab haus huv tam sim ntawd. Ammonia kuj tseem yog nplaim taws ntawm qhov ntau ntawm kwv yees li 15% mus rau 28% los ntawm ntim hauv huab cua.
qib kev nyab xeeb ntawm ammonia yog dab tsi?
Qhov Kev Tso Cai Tso Cai Limit rau ammonia teeb tsa los ntawm OSHA yog 50 qhov chaw ib lab (ppm) qhov nruab nrab tshaj li yim teev hnub ua haujlwm. Qhov no yog tus qauv uas yuav tsum tau ua nyob rau hauv txhua qhov chaw ua haujlwm.
Ammonia ntau npaum li cas rau tib neeg?
Kev sib xyaws ntawm 2500 txog 4500 ppm tuaj yeem ua rau tuag taus li ntawm 30 feeb thiab qhov siab tshaj 5000 ppm feem ntau ua rau ua pa nrawm nrawm. Anhydrous ammonia nyob rau hauv ntau dua 10000 ppm yog txaus los ua kom tawv nqaij puas.
Ntau npaum li cas ammonia gas txaus ntshai?
Qhov pom zoo txwv tsis pub dhau (REL) tau teev tseg los ntawm National Institute for Occupational Safety and He alth (NIOSH) yog 25 ppm rau yim-teev TWA. NIOSH qhia txog qhov txaus ntshai tam sim rau lub neej lossis kev noj qab haus huv concentration (IDLH) ntawm 500 ppm.
Dab tsi ammonia txaus ntshai?
Ammonia yog corrosive. … Thaum raug ammonia ntau ntau hauv huab cua ua rau kub hnyiab ntawm qhov muag, qhov ntswg, caj pas thiab ua pa thiab tuaj yeem ua rau qhov muag tsis pom kev, lub ntsws puas lossis tuag taus. Kev nqus pa ntawm qis qis tuaj yeem ua rau hnoos, thiab qhov ntswg thiab caj paskev khaum.
