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中国无机分析化学:2021,11(2):36-39
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电感耦合等离子体发射光谱法测定岩矿中锂的含量
(北矿检测技术有限公司)
Determination of Lithium in Rock and Ore by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)
HAN Xiao1, FANG Di2
(1.Beijing mining inspection technology co, ltd;2.BGRIMM MTC Technology Technical Co Ltd)
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投稿时间:2019-12-21    修订日期:2019-12-21
中文摘要: 采用氢氟酸加高氯酸分解试样,硝酸浸取,电感耦合等离子体原子发射光谱法测定岩矿中的锂含量。测定范围: ω(Li):0.10%~10.00%。本文通过不同混合酸溶样效果比较,仪器条件的摸索、共存元素干扰实验等,建立了电感耦合等离子体原子发射光谱法测定岩矿中锂量的方法,完全能够满足岩矿中锂含量的检验工作。经加标回收实验,锂元素的加标回收率为98%~106%(n=3),经国家有证标准物质分析验证,测定结果与标准值一致。该方法准确简单,适用于岩矿中的锂测定。
Abstract:Hydrofluoric acid and perchloric acid are used to decompose samples, leaching with nitric acid,. We determine the lithium content in rocks by inductively coupled plasma atomic emission spectrometry. Measurement range: ω (Li): 0.10% ~ 10.00%. In this paper, the method of determination of lithium in rock and ore by inductively coupled plasma atomic emission spectrometry (ICP-AES) is established by comparing the effect of different mixed acid dissolving samples, exploring the instrument conditions and interference experiments of coexisting elements, which can fully meet the test work of lithium in rock and ore. The recovery rate of lithium is 98% ~ 106% (n = 3) by standard addition recovery experiment. The result is consistent with the standard value by the analysis of certified reference materials. This method is accurate and simple, and is suitable for the determination of lithium in rock and ore.
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韩晓,方迪.电感耦合等离子体发射光谱法测定岩矿中锂的含量[J].中国无机分析化学,2021,11(2):36-39.
HAN Xiao,FANG Di.Determination of Lithium in Rock and Ore by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)[J].Chinese Journal of Inorganic Analytical Chemistry,2021,11(2):36-39.

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