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1998•Journal of Guangdong Non-ferrous MetalsRequires access

STUDY ON THE GRAVIMETRIC ANALYSISOF THE SILICON DIOXIDE CONTENT IN LEAD CONCENTRATE

An Guo, Gangyi Tan

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Abstract

A gravimetric analysis method has been proposed for the determination of the Si O2 contentin lead concentrate to be exported.The sample is first dissolved in saturated HNO3- KCl O3(or HNO3- HCl O4) ,then it is dehydrated with H2 SO4.After that,NH4AC is added to eliminate the interference of lead sulfate.The method is simple and rapid and the analysis result is accurate and reliable.The addition recovery is1 0 1 %～ 1 0 5 % and the relative standard deviation is 0 .45 %～ 2 .0 2 % .

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What this paper is about

A gravimetric analysis method has been proposed for the determination of the Si O2 contentin lead concentrate to be exported.The sample is first dissolved in saturated HNO3- KCl O3(or HNO3- HCl O4) ,then it is dehydrated with H2 SO4.After that,NH4AC is added to eliminate the interference of lead sulfate.The method is simple and rapid and the analysis result is accurate and reliable.The addition recovery is1 0 1 %～ 1 0 5 % and the relative standard deviation is 0 .45 %～ 2 .0 2 % .

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Available abstract

A gravimetric analysis method has been proposed for the determination of the Si O2 contentin lead concentrate to be exported.The sample is first dissolved in saturated HNO3- KCl O3(or HNO3- HCl O4) ,then it is dehydrated with H2 SO4.After that,NH4AC is added to eliminate the interference of lead sulfate.The method is simple and rapid and the analysis result is accurate and reliable.The addition recovery is1 0 1 %～ 1 0 5 % and the relative standard deviation is 0 .45 %～ 2 .0 2 % .

Key concepts: Gravimetric analysis, Relative standard deviation, Lead (geology), Analytical Chemistry (journal), Chemistry, Mineralogy, Environmental chemistry, Chromatography

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