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Determination of Trace Extractable Lead from Textiles by GFAAS Using Pd Matrix Modifier
Pages: 55-59
Year: Issue:  9
Journal: Guangdong Trace Elements Science

Keyword:  石墨炉原子吸收光谱法基体改进剂可萃取铅纺织品;
Abstract: 纺织品标准中对铅的限量极为严格,但萃取汗液基体成分复杂,背景吸收干扰强烈,为解决纺织品中的可萃取铅检测的困难,建立了一种采用基体改进剂的石墨炉原子吸收光谱法,测定纺织品中的可萃取铅.通过比较两种基体改进剂,优化实验条件,确定了以钯-硝酸镁为基体改进剂、灰化温度1 200 ℃、原子化温度2 300 ℃的实验条件.结果表明,以钯-硝酸镁为基体改进剂更能有效降低纺织品可萃取铅的基体干扰,并且具有良好的精...
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