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arsenic bearing gold ores 含砷难浸金矿
arsenic-bearing iron ores 含砷铁矿石
It was reported that trace amounts of arsenic in iron ores, spherical ores and sintering ores were determined by GFAAS.
前言：采用石墨炉原子吸收法，测定了铁矿石、球团矿和烧结矿中微量杂质砷。
It was reported that trace amounts of arsenic in iron ores, spherical ores and sintering ores were determined by GFAAS.
采用石墨炉原子吸收法，测定了铁矿石、球团矿和烧结矿中微量杂质砷。
The realgar ores require on cleaning and three recleanings before obtaining the desired arsenic concentrate due to its brittle-ness and sliming.
该雄黄矿石性脆易泥化，需要四次精选才能得到合格的砷精矿。
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