Lub sijhawm WWI, Tebchaws Asmeskas tshuaj lom neeg kev ua tsov rog kev tshawb fawb soj ntsuam cov tshuaj arsenic raws li muaj peev xwm ua tsov rog rogtsim lub zog vesicant, tom qab lub npe "Lewisite" tom qab pawg thawj coj tshawb fawb. Purified Lewisite yog cov tsis muaj xim, oily kua ntawm chav tsev kub nrog ib tug faint "geranium-zoo li" tsw.
Leej twg tsim lewisite?
Philip Reiss, 79, nrog rau daim duab ntawm nws yawg, Winford Lee Lewis, tus tsim ntawm cov tshuaj tua hluav taws ua tsov rog lewisite.
Lewisite tsim li cas?
Cov tshuaj yog npaj los ntawm ntxiv ntawm arsenic trichloride rau acetylene nyob rau hauv lub xub ntiag ntawm ib tug haum catalyst : AsCl3 + C 2H2 → ClCHCHAsCl2 (Lewisite) Lewisite, zoo li lwm yam arsenous chlorides, hydrolyses hauv dej los tsim hydrochloric Cov kua qaub thiab chlorovinylarsenous oxide (tus neeg sawv cev uas muaj zog tsawg dua):
Lewisite tsim los ntawm dab tsi?
Mustard cov neeg ua haujlwm tuaj yeem tsim cov sulfur- lossis nitrogen-raws li cov tebchaw, whereas lewisite yog tsim los ntawm arsenic. Sulfur mustard yog cov khoom siv dav siv thaum Ntiaj Teb Tsov Rog Zaum 1, thawj zaug los ntawm Germans thiab tom qab ntawd los ntawm Cov Phooj Ywg.
Lub ntsiab lus ntawm lewisite yog dab tsi?
Lewisite yog ib hom tshuaj lom neeg ua rog. Cov tshuaj no yog hu ua vesicant lossis blistering agent, vim nws ua rau hlwv ntawm daim tawv nqaij thiab mucous daim nyias nyias ntawm kev sib cuag. Lewisite yog oily, colorless kua nyob rau hauv nwsdaim ntawv dawb huv thiab tuaj yeem tshwm amber rau dub hauv nws daim ntawv tsis huv.
