Kev txwv kev tsiv teb tsaws rau cov hlau lead thiab cadmium rau ceramic tableware - Cov qauv tsim nyog

Cov qauv hauv tsev

Tuam Tshoj muaj kev txwv meej rau kev tsiv teb tsaws ntawm cov hlau lead thiab cadmium hauvceramic tableware. Raws li qhov yuav tsum tau ua hauv lub tebchaws tus qauv GB4806 (thiab yav dhau los cov qauv muaj feem xyuam xws li GB12651, GB8058), kev txwv kev tsiv teb tsaws ntawm cov hlau lead hauv cov khoom siv ceramic tau teev tseg. Tshwj xeeb, cov kev txwv uas tso cai rau kev tsiv teb tsaws ntawm cov hlau lead (Pb) thiab cadmium (Cd) los ntawm flatware (xws li cov phaj, tais, thiab lwm yam) yog xam los ntawm cheeb tsam, nrog rau qhov yuav tsum tau tsawg dua los yog sib npaug rau 0.8 mg / dm² rau txhuas. thiab Tsawg dua lossis sib npaug rau 0.07 mg / dm² rau cadmium. Lub sij hawm thiab qhov kub thiab txias rau kev tsiv teb tsaws kuj tau teev tseg, thiab kev txwv rau kev tsiv teb tsaws ntawm cov hlau lead thiab cadmium los ntawm cov tais diav ua noj kuj suav nrog.

International Standards

Tus txheej txheem thoob ntiaj teb ISO6486 kuj tau teev txwv kev tsiv teb tsaws ntawm cov hlau lead hauv cov khoom siv ceramic, nrog rau kev txwv ntau ntawm 05-2.0mg/L. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias chav tsev (mg / L) txawv ntawm cov qauv hauv tsev (mg / dm²), feem ntau yog vim qhov sib txawv ntawm cov qauv ntsuas thiab cov xwm txheej.

Lwm yam National Standards

European Union Standards: EU muaj kev txwv nruj rau cov khoom siv ceramic uas tuaj yeem cuam tshuam nrog cov zaub mov. Piv txwv li, raws li Council Directive 84/500/EEC thiab nws cov kev hloov kho tom ntej, cov kev txwv sib txawv siv rau cov khoom siv ceramic raws li lawv xav siv. Piv txwv li, qhov siab tshaj plaws tso cai tsiv teb tsaws txwv rau cov hmoov txhuas los ntawm cov khoom tsis yog khoom noj lossis cov khoom uas muaj qhov tob tsis tshaj 25 hli yog 0.8mg / dm²; rau tag nrho cov khoom noj khoom haus, qhov siab tshaj plaws tso cai tsiv teb tsaws rau cov hlau lead yog 4.0mg / L (los yog tej zaum yuav txawv nyob ntawm tej yam mob). Tsis tas li ntawd, EU tau tshaj tawm cov kev txwv nruj dua, txhawm rau txo qis kev tsiv teb tsaws chaw rau cov hlau lead hauv cov khoom siv ceramic npaj rau kev sib cuag zaub mov.

US Standards: Teb Chaws Asmeskas FDA/ORACPG7117 kuj tau teeb tsa kev txwv ntawm kev tsiv teb tsaws ntawm cov hlau lead hauv cov khoom siv ceramic, nrog rau kev txwv ntau ntawm 0.5-3.0mg/L.

Japanese Standards: Nyiv Lub Tsev Haujlwm Saib Xyuas Kev Noj Qab Haus Huv, Kev Ua Haujlwm, thiab Kev Noj Qab Haus Huv Txoj Cai No. 370 kuj tseem qhia txog kev txwv kev tsiv teb tsaws ntawm cov hmoov txhuas hauv cov khoom siv ceramic, nrog rau kev txwv ntawm 0.05-8.0mg/L .

Lavxias Standards: Tus qauv Lavxias teb sab ГОСТП{{0}}} teeb tsa kev txwv rau kev tsiv teb tsaws ntawm cov hlau lead hauv cov khoom siv ceramic ntawm 1.7-5.0mg/dm².