| 应用微量火焰原子吸收技术测定工业硅中铅 |
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| 引用本文： | 肖军 熊合中. 应用微量火焰原子吸收技术测定工业硅中铅[J]. 分析试验室, 1997, 16(4): 64-66 |
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| 作者姓名： | 肖军 熊合中 |
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| 作者单位： | 吉化电石厂质监处 |
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| 摘 要： | 本实验联合应用高性能空心阴极灯，缝式石英管，高效雾化器乙炔－空气火焰原子吸收法，采用了节流脉冲进样测定工业硅中铅，使铅的灵敏度改善了３１倍，同时克服了Ｆｅ，Ａｌ等原子化过程中形成的氧化物吸收石英管壁对实验的影响，此法简便，快速。
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| 关 键 词： | 微量 火焰原子吸收 脉冲进样 硅块 铅 工业硅 |
Determination of Lead in Industrial Silicon by Microamount Flame Atomic Absorption Technique |
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| Abstract: | The combined use of high performance hollow cathode lamp,slotted quarty tube,high effeciency nebulizer and throttle pulse injection sampling in flame AAS can improve the analytical sensitivity up to 31 times for the determination of trace lead in industrial silicon .At the same time ,It can eliminate the adsorption effects on slotted quarts tube in the presence of Fe,Al,etc.This method is quick and simple. |
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| Keywords: | Atomie absorption spectrometry lead determination industrial silicon |
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