Rapid Determination of Hexavalent Chromium in Colorful Cigarette Paper and Tipping Paper by Continuous Flow Analytical Method
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Rapid Determination of Hexavalent Chromium in Colorful Cigarette Paper and Tipping Paper by Continuous Flow Analytical Method
Vol. 37, Issue 12, Pages: 1480-1484(2018)
作者机构:
云南中烟工业有限责任公司技术中心
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Rapid Determination of Hexavalent Chromium in Colorful Cigarette Paper and Tipping Paper by Continuous Flow Analytical Method. [J]. 37(12):1480-1484(2018)
DOI:
Rapid Determination of Hexavalent Chromium in Colorful Cigarette Paper and Tipping Paper by Continuous Flow Analytical Method. [J]. 37(12):1480-1484(2018)DOI:
Rapid Determination of Hexavalent Chromium in Colorful Cigarette Paper and Tipping Paper by Continuous Flow Analytical Method
A continuous flow analytical method with rapid solid phase extraction was developed for the determination of hexavalent chromium in colorful cigarette paper and tipping paper.The pigments in colorful cigarette paper and tipping paper were removed by a rapid solid phase extraction,which improved the sample cups for continuous flow analytical system.The developed method greatly simplified the sample pretreatment process with no need of sample transferation,effectively overcoming the shortcomings of traditional methods,such as more pretreatment steps,cumbersome operation and low detection efficiency,etc.Furthermore,the method has the advantages of simple operation,high sensitivity,rapid detection,automation of detection,etc.The detection limit and the quantitation limit of the method was 0.85 μg/L and 2.5 μg/L,respectively.The recoveries for hexavalent chromium at three spiked levels were in the range of 88.5%-97.3%.The intra day and inter day relative standard deviations were below 4.0%.The results of this method were agreed with those of the Chinese tobacco standard method.The presented method could be successfully used in the rapid determination of hexavalent chromium in colorful cigarette paper and tipping paper.
关键词
连续流动分析仪进样杯改进快速固相萃取六价铬彩色卷烟纸和接装纸
Keywords
continuous flow analytical systemsample cupsimprovementrapid solid phase extractionhexavalent chromiumcolorful cigarette paper and tipping paper
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