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YU Yu,HE Zhen-yun,MAO Zhen-cai,WEI Yi,YUAN Xiu-ru,LIU Jiang-bin.Determination of Tin by Spectral Lines with Different Sensitivity of Alternating Current Arc Emission Spectroscopy[J].Rock and Mineral Analysis,2013,32(1):44-47
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Determination of Tin by Spectral Lines with Different Sensitivity of Alternating Current Arc Emission Spectroscopy
Received:September 15, 2011  Revised:February 23, 2012
DOI:
Key words: Sn  Alternating Current Arc Emission Spectroscopy  two meters of grating
Author NameAffiliation
YU Yu Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, Ministry of Land and Resources, Lanzhou 730050, China 
HE Zhen-yun Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, Ministry of Land and Resources, Lanzhou 730050, China 
MAO Zhen-cai Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, Ministry of Land and Resources, Lanzhou 730050, China 
WEI Yi Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, Ministry of Land and Resources, Lanzhou 730050, China 
YUAN Xiu-ru Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, Ministry of Land and Resources, Lanzhou 730050, China 
LIU Jiang-bin Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, Ministry of Land and Resources, Lanzhou 730050, China 
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Abstract:
      Based on the advantages of simultaneous determination of multiple elements by using different spectral lines of Alternating Current Arc Emission Spectroscopy, samples with a large range of Sn contents were simultaneously determined by the major spectral line of 317.502 nm and the minor spectral line of 285.062 nm. The working condition for the GBZ-Ⅱ spectral phase plate light meter was optimized by improving the software function. The 317.502 nm spectral line was selected to measure x~xx μg/g Sn in the sample, while the spectral line of 285.062 nm was selected for the determination of 0.0x%~x% Sn. The established method can simultaneously detect two spectral lines with different sensitivities. According to the advantage of high sensitivity by the alternating current arc emission spectroscopy, the high Sn content sample can be analyzed without any dilution, which avoids contamination and artificial errors.