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Te pukapuka parahi, Pepa Parahi, Pepa Pepa Parahi, Pereti Parahi
Whakaaturanga hua:
Ko te parahi parakore ko te parahi me te nui rawa o te ihirangi parahi, no te mea ko te waahanga matua he parahi me te hiriwa, ko te ihirangi ko 99.5 ~ 99.95%;nga mea tino poke: he ūkuikui, bismuth, antimony, arsenic, rino, nickel, mata, rino, tine, whanariki, zinc, oxygen, etc.;whakamahia ki te hanga taputapu conductive, koranu parahi matatau, koranu e hāngai ana parahi.
Ka taea te wehea te parahi konumohe ki nga waahanga e rua.Ko tetahi e maka ana i te konumohe parahi hei tango i nga poke me te whakanui ake i te wai, kaore te konumohe e neke ake i te 0.5%;ko tetahi atu kei te hanga konumohe parahi hei whakanui ake i te aukati waikura, e whakamahia nuitia ana hei putorino condensing, ko te awhe hanganga whanui ko Al1 ~ 6%, Zn 24 ~ 42%, me Cu 55 ~ 71%.
