Pali kusiyana kwakukulu pakati pa zolimbitsa mchere wa lead ndi zolimbitsa calcium zinc m'mbali zosiyanasiyana, kuphatikizapo kapangidwe kake, magwiridwe antchito, kusamala chilengedwe, magwiridwe antchito, ndi magawo oyenera.
Kapangidwe ndi Magwiridwe
Zokhazikika za mchere wa lead zimagawidwa m'magulu awiri: ma monomers ndi ma composites. Zopangidwa zoyimira mchere wa lead wa monomeric zimaphatikizapo lead trisulfate ndi lead dibasic phosphate, zomwe zili ndi ubwino wotsika mtengo komanso wosavuta kusintha, koma zimakhala ndi vuto la kuipitsa sulfide komanso kusintha mtundu. Zokhazikika za mchere wa lead zimathandizira kufalikira ndi kukhazikika kwa kutentha mwa kusakaniza zinthu zingapo kudzera muukadaulo wa symbiotic reaction, koma zimakhalabe ndi zinthu za lead. Zokhazikika za calcium zinc zimapangidwa ndi mchere wa calcium, mchere wa zinc, mafuta odzola, ndi ma antioxidants, ndipo zimakhala ndi makhalidwe osapha poizoni komanso ogwira ntchito kwambiri. Sizingosintha mchere wa lead cadmium woopsa ndi zokhazikika za organotin zokha, komanso zimakhala ndi kukhazikika kwa kutentha, kukhazikika kwa kuwala, komanso kuwonekera bwino.
Kagwiridwe ka ntchito ka zinthu zokhazikika za calcium zinc ndi kabwino kwambiri, ndipo kukhazikika kwawo kutentha kumafanana ndi kwa zinthu zokhazikika za mchere wa lead.
Ubwino wa chilengedwe
Zolimbitsa mchere wa lead zimakhala ndi zinthu zolimbitsa thupi, zomwe zimayambitsa zoopsa zina ku chilengedwe ndi thanzi la anthu, motero pang'onopang'ono zikuletsedwa kugwiritsa ntchito. Zolimbitsa thupi za calcium zinc sizili ndi zinthu zolemera zachitsulo ndipo zimagwirizana ndi miyezo ya chilengedwe monga malangizo a EU ROHS ndi REACH, zomwe zimapangitsa kuti zikhale zotetezeka ku chilengedwe.
Kukonza magwiridwe antchito ndi minda yoyenera
Zolimbitsa mchere wa lead zimagwira ntchito bwino pokonza PVC, zokhala ndi kutentha kwabwino komanso zoteteza magetsi bwino, zoyenera zinthu zosiyanasiyana za PVC. Komabe, chifukwa cha mavuto azachilengedwe, kugwiritsa ntchito kwake n'kochepa. Zolimbitsa mchere wa calcium zinc zimagwiritsidwa ntchito kwambiri m'magawo monga ma CD a chakudya, zida zamankhwala, ndi mawaya ndi zingwe chifukwa cha mphamvu zawo zopanda poizoni.
Nthawi yotumizira: Feb-17-2025



