直接进样-石墨炉原子吸收光谱法测定聚丙烯丝束滤棒成型胶粘剂中的砷与铅  

Determination of Arsenic and Lead in Polypropylene Tow Binder by Direct Injection GF-AAS

作　　者：葛少林[1] 朱栋梁[1] 胡立中[1] 牛佳佳[2] 韩云辉[2] 

机构地区：[1]安徽中烟工业有限责任公司技术中心,合肥市高新区天达路9号230088 [2]中国烟草总公司郑州烟草研究院

出　　处：《烟草科技》2012年第4期44-47,共4页Tobacco Science & Technology

基　　金：国家烟草专卖局标准制修订项目"烟用聚丙烯丝束滤棒成型胶粘剂"(2010B053)

摘　　要：建立了测定聚丙烯丝束滤棒成型胶粘剂中As与Pb的稀释直接进样-石墨炉原子吸收光谱法。结果表明：样品稀释20倍、增加120℃的干燥程序能有效避免样品在石墨炉中爆沸,提高分析的精密度;As与Pb的相对标准偏差（RSD）均小于5%,回收率分别为93.5%~104.0%和94.0%~105.3%,检出限分别为0.537μg/L与0.567μg/L。该方法适用于水乳型聚丙烯丝束滤棒成型胶粘剂中As与Pb的测定。A direct injection-graphite furnace atomic absorption spectrometry（GF-AAS） method for determining arsenic（As） and lead（Pb） in polypropylene tow binder was developed.The results showed that,twentyfold dilution and additional drying process at 120 ℃ effectively avoided sample blasting while boiling in the furnace and improved analysis precision.The recoveries of As and Pb ranged from 93.5% to 104.0% and 94.0% to 105.3%,respectively,with the relative standard deviations（RSD） of 5%.The limit of detection of As and Pb was 0.537 and 0.567 μg/L,respectively.This method is suitable for determining As and Pb in polypropylene tow binders of water emulsion.

关 键 词：直接进样 聚丙烯丝束滤棒成型胶粘剂 石墨炉原子吸收光谱法(GF-AAS) 砷(As) 铅(Pb) 

分 类 号：TS426[农业科学—烟草工业]