[whakaahuatanga whanui] Ko te Xanthate he kohuke sulfide rewa, penei i te galena, sphalerite, actinide, pyrite, mercury, malachite, hiriwa maori me te koura maori, Koia te kaikohi e whakamahia ana.I roto i te tukanga o te rere me te painga, kia pai ai te wehe i nga kohuke whaihua f...
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