Arsenic yog ib qho tshwm sim, muaj kuab lom nyob hauv cov av. Arsenic tej zaum yuav pom nyob ib leeg ib yam li lub hlau, los yog ntau tshaj li qhov muaj ntsis zoo li cov hlau zoo li.
Muaj Ob Hom Tshuaj Arsenic
- Organic arsenic yog tsim thaum arsenic sib xyaw nrog cov roj thiab hydrogen.
- Inorganic arsenic tshwm sim thaum arsenic sib txuas nrog cov ntsiab xws li oxygen, chlorine, thiab sulfur.
Organic arsenic yog cov mob toxic tsawg dua hauv cov keeb neeg hauv arsenic, thiab cov account rau feem ntau ntawm cov tib neeg arsenic raug, feem ntau yog los ntawm cov zaub mov thiab dej.
Inorganic arsenic yog ib qho ntawm cov hlau nplaum thiab tau siv yav dhau los hauv cov tshuaj uas siv cov khoom siv rau sab nraum zoov rau sab nraum zoov, tab sis qhov no tau raug txiav tawm hauv xyoo tas los no.
Puas muaj Arsenic Cause Cancer?
Lub Koom Haum Thoob Ntiaj Teb rau Kev Tshawb Nrhiav Txog Kev Mob Nkag Cancer tau cais tawm arsenic raws li yog carcinogenic (Pawg Group 1 kev faib tawm) rau tib neeg.
Inorganic arsenic tau txuas rau ntau hom qog nqaij hlav, xws li:
- Mob ntsws cancer
- Cov tawv nqaij mob cancer
- Muaj kab mob khees xaws
- Mob qog nqaij hlav cancer
- Raum cancer
Inorganic arsenic tseem paub tias yuav ua rau cov nqaij tawv, xws li hyperpigmentation.
Cov Chaw Uas Muaj Kev Tawm ntawm Arsenic
- Cov pa luam yeeb: Cov tshuaj tua kab uas muaj tshuaj tua kab uas siv hauv kev haus luam yeeb tseem nyob hauv luamyeeb los ntawm kev ua cov luam yeeb thiab muaj tsawg tsawg hauv cov luam yeeb.
- Khoom noj khoom haus: Tus neeg laus Ameskas feem ntau siv li 50 milligrams ntawm arsenic txhua hnub, nrog 80% ntawm nws los ntawm nqaij, ntses, thiab nqaij qaib. Qee qhov qaub cawv kuj tseem muaj qee yam pom ntawm arsenic vim tshuaj tua kab uas siv hauv kev ua liaj ua teb.
- Dej haus : Arsenic seeps mus rau hauv cov dej haus feem ntawm txaj. Dej av muaj qee zaus lim paug los ntawm cov av uas muaj arsenic.
Cov Lus Tseeb Txog Arsenic hauv Haus Luam Yeeb
Inorganic arsenic nyob rau hauv cov pa luam yeeb hauv feem ntau thiab txawm tias cov pa luam yeeb nyob rau sab nraud thiab.
Nyob ntawm qhov nruab nrab qhov me me, inorganic arsenic muaj kwv yees li ntawm 9 hnub.
Cov qaub sab hauv qab ntawm cov keeb neeg hauv arsenic tuaj yeem ua tau siab dua sab nraum zoov thiab yog ib feem ntawm cov pa luam yeeb ntawm peb .
Raws li tsab ntawv ceeb toom los ntawm California Air Resources Board thiab Department of Health Services, cov neeg haus luam yeeb nqus pa hauv 0.8 txog 2.4 micrograms ntawm cov tshuaj pleev hauv cov pob muaj 20 tus kabmob, nrog kwv yees li 40 feem pua ntawm nws tau tso rau hauv txoj hlab ntsws. Ntawm qhov nyiaj, 75-80 feem pua yog absorbed los ntawm cov hlab ntses hauv cov ntsws, ua rau lub cev nqus tau cov pa nqus tau pa hauv pa luam yeeb ntawm kwv yees li 30 txog 35 feem pua.
Arsenic, nrog rau lwm cov tshuaj lom neeg hauv cov pa luam yeeb ua rau cov neeg haus luam yeeb (thiab cov neeg tsis haus luam yeeb) uas ua pa ntawm cov pa luam yeeb uas tau ua los ntawm cov luam yeeb ua rau cov kabmob thiab cov tshuaj lom.
Txog rau hnub tim, cov kws soj ntsuam tau pom muaj ntau dua 7,000 yam tshuaj xws li 250 cov tshuaj lom thiab 70 cov kab mob carcinogenic hauv cov pa luam yeeb.
Yog tias koj yog neeg haus luam yeeb uas xav txiav luam yeeb , kev kawm txog yam yuav tshwm sim thaum koj tsis haus luam yeeb nrog ib pab pawg neeg zoo li cov neeg xav tau yuav pab koj ua kom haus cawv tas li yav dhau los.
Qhov chaw:
Lub Chaw Sawv Cev Rau Tshuaj Tiv Thaiv thiab Cov Kab Mob Daws Tawm - US Dept. ntawm Kev Noj Qab Haus Huv thiab Kev Pab Tib Neeg. Arsenic.
International Agency rau kev tshawb fawb ntawm Cancer. Kev ntsuam xyuas tag nrho ntawm Carcinogenicity rau Tib neeg.
California Cov Ntaub Ntawv Pab Pawg Neeg Cov Thawj Coj. Cov Lus Qhia Txhaum Tshuaj Tiv Thaiv Kab Mob Hauv Asselic raws li Lub Teeb Kuaj Hnyiab. http://www.arb.ca.gov/toxics/id/summary/inorgars.pdf .