I-Titanium Dioxide yoKhuseleko kunye neMiba yokuNikela ngo-2017

I-Titanium dioxide (TiO2) yenye yezona mibala zibaluleke kakhulu kubomi bethu bemihla ngemihla. Ibalulekile kwizinto zemihla ngemihla ezifana nentlama yamazinyo, i-sunscreen, iintsini zokuhlafuna kunye neepeyinti. Ike yaba sezindabeni uninzi lwe-2017, iqala ngamaxabiso aphezulu. Kubekho ukudityaniswa okubalulekileyo kwicandelo laseTshayina le-TiO2, elikhokelela kumaxabiso aphezulu, kwaye i-China ikwaxelwe ukuba ithintele imveliso ngenxa yeenkxalabo zomgangatho womoya. Umlilo kaJanuwari ka-2017 kwisityalo sikaHuntsman's TiO2 ePori, eFinland, uthintelwe ngakumbi umthamo weTiO2 kubugcisa begraphic.

Oku kukhokelele ukuba abavelisi be-inki babhengeze ukunyuka kwamaxabiso kwii-inki ngokusebenzisa i-titanium dioxide; umzekelo, uSiegwerk ukhuphe ingxelo ekuqaleni kuka-Matshi echaza amaxabiso aphezulu kuzo zonke ii-inki ezine-titanium dioxide.

Konke oku kunomngeni ngokwaneleyo, kodwa imiba yokusingqongileyo iye yavela ngoku enokuthi ithathe i-TiO2 iye kwelinye, inqanaba elinzima kakhulu. I-TiO2 iyisithako esibalulekileyo kwi-sunscreens, kwaye kukho iinkxalabo eYurophu malunga nokusetyenziswa kwe-nanoparticles kwi-sunscreen, i-toothpaste kunye nokunye okuninzi. Inkxalabo, ngokukodwa, ingaphezulu kwe-nanoparticles ye-TiO2. Oku kwakhokelela kwi-Arhente yeMichiza yaseYurophu (ECHA) ukuba inqume ukuba i-titanium dioxide ingaba yi-carcinogen ukuba ifakwe.
Kukho izifundo ezilinganiselweyo malunga netyhefu ye-titanium dioxide.

Kutshanje, indawo yokutya yaseFransi kunye ne-Occupational Health and Safety Bureau (Anses) ephepheni, ngokweziphumo zayo, iphakamise ukuba ukusetyenziswa kwe-titanium dioxide njengesizathu esinokubangela umhlaza ngokuphefumla i-1 B-type carcinogens, esi siphakamiso siya kuba yamkelwe ngokusesikweni ngembalelwano okanye emva kweseshoni kaSeptemba.

Iindaba zazishushu kweli shishini. Amashishini e-Titanium dioxide anombono. I-Titanium dioksidi ekugqibeleni ayiyiyo i-carcinogenic substances, impilo yabantu ekugqibeleni akukho bungozi obunokubakho?

"I-Titanium dioxide ayinayo i-carcinogenic kwaye ayinayo impembelelo kwimpilo yabantu," watsho uShijiang, uSekela Nobhala-Gene.ral yoMbutho we-China Coatings Industry Association. ”

Min, imfuzaral Umphathi weshishini letitanium wathi: “Ititanium diokside ayiyotyhefu, ebisebenza kwishishini letitanium dioxide ngaphezu kweminyaka eli-10, ayizange ive ngenxa yetitanium dioxide necarcinogenic.” Ukuba i-titanium dioxide i-carcinogenic, umphumo unokuba mkhulu. ”

Ngaba i-titanium dioxide ikhuselekile?

Akukho bungqina bokwenyani bokuba i-titanium dioxide inomhlaza. Okokuqala, yonke le nto sisiphakamiso nje sendawo yokutya yaseFransi kunye ne-Occupational Health and Safety Bureau, kwaye ifuna uphando olongezelelweyo.

Okwesibini, indawo yokutya yaseFransi kunye noLawulo lwezeMpilo kunye noKhuseleko lwezemisebenzi lucebisa kuphela ukufakwa kwe-titanium dioxide njenge-1-b carcinogen enokubangela umhlaza ngokuphefumla. Ulwazi kumaxwebhu exesha elichaphazelekayo lubonisa ukuba kukho amaziko anxulumene eUnited States DuPont inkampani imveliso titanium dioxide isityalo imveliso 2,477 abasebenzi ukuba baqhube uphando olulandelelweyo, iziphumo zibonisa ukuba ukudibana ngqo titanium dioxide akayi kwandisa kakhulu abasebenzi emiphungeni. umhlaza, izifo ezingapheliyo zokuphefumla, i-pleural izilonda kunye nezinye izifo ezinxulumene nomngcipheko.

Ukongeza, iintlobo ngeentlobo zeziphumo ezifanayo zibonise ukuba i-titanium dioxide ayibangeli ukuvezwa kwabemi bomhlaza wemiphunga izinga lokunyuka. Idatha evela kwi-International Agency for Cancer Research ibonisa ukuba akukho bungqina obaneleyo bokuvavanya ukuba i-titanium dioxide inokubangela umhlaza ebantwini. I-Titanium dioxide isetyenziswa ngokubanzi ngaphandle kwezinto ezithatha indawo.