云南化工
雲南化工
운남화공
YUNNAN CHEMICAL TECHNOLOGY
2011年
4期
19-22
,共4页
沈治荣%梁聪%甘丽%何红莲
瀋治榮%樑聰%甘麗%何紅蓮
침치영%량총%감려%하홍련
磷矿石%磷精矿%铅%重金属%火焰原子吸收光谱法
燐礦石%燐精礦%鉛%重金屬%火燄原子吸收光譜法
린광석%린정광%연%중금속%화염원자흡수광보법
phosphate rock%phosphate concentrate rock%lead%heavy metal%flame atomic absorption spectrometry method
研究了用火焰原子吸收光谱法测定磷矿石或磷精矿中微量的铅的检测方法。此方法的相对标准偏差为3.1%-14.2%,回收率为90%-104%,样品检测下限为0.0008%。
研究瞭用火燄原子吸收光譜法測定燐礦石或燐精礦中微量的鉛的檢測方法。此方法的相對標準偏差為3.1%-14.2%,迴收率為90%-104%,樣品檢測下限為0.0008%。
연구료용화염원자흡수광보법측정린광석혹린정광중미량적연적검측방법。차방법적상대표준편차위3.1%-14.2%,회수솔위90%-104%,양품검측하한위0.0008%。
This article describes determination of trace harmful heavy metal-lead element in phosphate rock and concentrate rock with flame atomic absorption spectrometry method.The relative standard deviation of this method is 3.1～14.2%,recovery rate is 90%～104%,the sample detection limit is 0.0008%.The method is accurate,fast,easy,make up for method of determination lead in phosphate rock.It provides effective control method for production of feed additives and fertilizers and so on.
