2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Oxalyl chloride yog a corrosive respiratory irritant thiab lachryma- tor. Cov vapors yuav tawm tsam ntawm daim tawv nqaij, qhov muag thiab tshwj xeeb tshaj yog cov mucous daim nyias nyias ntawm lub qhov ntswg thiab caj pas thiab ua pa system. Cov khoom siv no yuav tsum siv rau hauv qhov chaw uas muaj qhov cua zoo xwb.
Puas yog oxalyl chloride toxic?
H331 Toxic if inhaled. H335 Tej zaum yuav ua rau ua pa ua pa. Cov lus qhia ceev faj P261 Tsis txhob ua pa plua plav / fume / gas / pos huab / vapours / tshuaj tsuag.
Koj ua li cas neutralize oxalyl chloride?
Ntau tshaj oxalyl chloride thiab hnyav raug tshem tawm hauv qhov txo qis los ntawm thawj zaug siv dej aspiratorthiab tom qab ntawd lub twj tso kua mis tig ntawm chav tsev kub los ntawm lub raj kom qhuav.
Yuav ua li cas cov tshuaj tsis sib haum nrog oxalyl chloride?
Hluav taws kub tsis sib haum Tsis txhob kis cov kab mob oxidizing xws li
nitrates, oxidizing acids , tshuaj dawb chlorine, pas dej chlorine thiab lwm yam.
Oxalyl chloride siv rau dab tsi?
Oxalyl chloride feem ntau yog siv ua ke nrog N, N-dimethylformamide catalyst hauv cov organic synthesis rau kev npaj acyl chlorides los ntawm cov carboxylic acids sib xws. Zoo li thionyl chloride, cov reagent degrades rau hauv cov khoom tsis zoo nyob rau hauv daim ntawv thov no, uas yooj yim rau kev ua haujlwm.
Pom zoo:
Qhov twg yog qhov txaus ntshai lossis ntshai?
Ntshai yog ib lo lus siv los piav txog tus neeg lossis tej zaum tus tsiaj uas ntshai lossis txhawj xeeb. Piv txwv li: "Hirantha ntshai dhau mus ua dej dawb kayaking hauv Sri Lanka." Scary (scarey) yog ib lo lus siv los piav txog ib yam dab tsi los yog ib tus neeg ua rau ntshai lossis ntshai.
Yuav ua li cas thiaj tau oxalyl chloride?
Nws tseem tuaj yeem npaj los ntawm kev kho oxalic acid nrog phosphorus pentachloride. Oxalyl chloride yog tsim los ntawm ethylene carbonate . Photochlorination muab cov tetrachloride, uas yog tom qab degraded: C 2 H 4 O 2 CO + 4 Cl 2 → C 2 Cl 4 O 2CO + 4 HCl.
Thaum twg nyiaj npib txaus ntshai txaus ntshai hauv tebchaws Askiv?
Lub nyiaj npib txaus ntshai tau tshwm sim hauv xyoo 1830, ua rau cov neeg ua haujlwm txawj nyeem ntawv ntau ntxiv thiab ua tau los ntawm kev siv thev naus laus zis hauv kev luam ntawv thiab kev faib tawm. Nws lub hnub tseem ceeb tuaj nyob rau xyoo 1860 thiab 1870, thaum cov phau ntawv no tau sau rau lub teb chaws cov ntawv xov xwm.
Puas muaj dab ib nrab txaus ntshai thiab ntshai?
Tsis muaj kev hloov pauv, tsis muaj kev puas tsuaj, tsis muaj kev cuam tshuam ntawm tib neeg, hauv txhua qib, dhau los ntawm txhua qhov kev paub tsis meej ntawm kev tsim zoo, muaj dab phem ib nrab txaus ntshai thiab ntshai. Scrooge pib rov qab, poob siab.
Puas ntshai tsam txaus ntshai?
Txawm hais tias kev tawm tsam yog ntshai, lawv tsis txaus ntshai. Kev tawm tsam yuav tsis ua rau koj raug mob lub cev, thiab nws tsis zoo li koj yuav tau mus pw hauv tsev kho mob yog tias koj muaj. Koj puas tuaj yeem tuag los ntawm kev tawm tsam?
