Nyob hauv Victorian England thiab tom qab Tsov Rog Thoob Ntiaj Teb hauv Asmeskas, kev siv cov hlau hnyav hauv cov tshuaj pleev ib ce- xws li mercury, arsenic thiab txhuas yog dav… arsenic wafers (uas yog tau noj) tau tshaj tawm kom ua rau tus poj niam lub ntsej muag, thiab tseem muaj nyob rau hauv xab npum thiab hmoov; qhov muag ntxoov ntxoo feem ntau muaj mercury thiab lead.
Thaum twg arsenic siv los pleev?
3. Arsenic. Txog xyoo 1920, arsenic yog cov khoom xyaw kom paub meej cov tawv nqaij.
Yuav siv tshuaj lom dab tsi hauv pleev?
Arsenic tau paub tias muaj tshuaj lom thaum lub sijhawm Victorian, tab sis tej zaum qee tus poj niam xav tias me ntsis yuav tsis mob. Txawm hais tias nws tuaj yeem zam tau me me, kev noj nws tseem muaj kev pheej hmoo loj-tshwj tsis yog koj xav tau qhov "tuag pallor" saib. Daim vis dis aus no yog ib feem ntawm cov npe hu ua Cov Khoom Siv.
Vim li cas arsenic siv rau ntawm daim tawv nqaij?
Nws tsis yog qhov tsis yooj yim rau nws siv ua tshuaj lom los ntawm kev tua neegntawm lub sijhawm, thiab los ntawm lig 1800s arsenic tau paub tias yog cov khoom txaus ntshai thaum siv rau hauv dyes. thiab wallpaper. Kev siv cov arsenic hauv me me rau cov tawv nqaij lightening tau pom zoo tias nws txuas ntxiv mus rau ntau xyoo.
Thaum twg lawv tso tseg tsis siv cov hmoov lead hauv pleev?
On Lub Kaum Hli 30, 2018, FDA tau tshaj tawm txoj cai zaum kawg los hloov kho cov kev cai xim ntxiv kom tsis txhob siv cov hmoov lead acetate hauv cov tshuaj pleev ib ce rau xim plaub hau. lub hau.
