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shi mo lu yuan zi xi shou fa ce ding tu rang jin shu yuan su de zhi liang kong zhi
Author(s): 
Pages: 37-40
Year: Issue:  3
Journal: Environmental Protection of Oil & Gas Fields

Keyword:  原子吸收光谱法金属元素质量控制环境监测;
Abstract: 为使石墨炉原子吸收法测金属元素准确可靠,对各测定程序和环节采取了消除干扰、测平行双样、测加标回收率、对照分析等措施。测定数据经统计分析,加标回收率在87.3%~115.2%范围内,平行双样相对偏差在12.3%以下,标准土样重复测定变异系数除镉(Cd)外均在5.9%以下,达到了分析测定的要求。
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