【摘要】 目的:建立电感耦合等离子体质谱(ICP-MS)测定工作场所空气中铍的方法。方法:用浓硝酸把滤膜消化完全后用ICP-MS测定,观察测定中工作曲线的相关系数、检出限、精密度和回收率。结果:在一定浓度范围内,方法的标准曲线相关系数1.0000,检出限0.0096μg/L,精密度(RSD)1.7%,回收率99.0%～101%。结论:电感耦合等离子体质谱(ICP-MS)法测定车间空气中的铍,灵敏度高,重现性好,能快速准确的检测出工作场所中铍的含量,可作为检测工作场所空气中金属元素铍的一种快速有效的手段。更多还原

【Abstract】 Objective:An ICP-MS method for the determination of Beryllium in the air of workplace was developed.Methods:Filter Membrane was digested in nitric acid and the content of beryllium was determined by ICP-MS.The linear correlation coefficient,the detection limit,the precision and the recovery were stuidied.Results:In 0 μg/L～50 μg/L range the linear correlation coefficient was 1.0000,the detection limit was 0.0096 μg/L,the RSD was1.7% and the recovery of the direct dilution method was 99.0%～101%.Conclusion:Determination of Beryllium in the air of workplace by ICP-MS was an effective method for its high sensitivity,fine reproducibility,rapidity and accuracy.更多还原