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干燥箱消解火焰原子吸法测定啤酒中铅含量

Chinese Community Doctors(2013)

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Abstract
目的:建立啤酒中铅的检测方法。方法:采用干燥箱消解样品,测定过程中利用标准加入法吸光度值的加和性,增大吸光度值,提高检测方法的灵敏度,火焰原子吸收法测定啤酒中铅含量。结果:此方法在啤酒中铅含量为0.05~2.0mg/L范围内,有良好的的线性关系,曲线回归方程Y=0.1468X+0.007682,相关系数r=0.9997,RSD(%)2.82~4.36,检出限为0.0325mg/L。结论:此方法操作简便,灵敏度高,具有一定的实用价值。
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