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《Chinese Journal of Spectroscopy Laboratory》 2007-04
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Determination of Cadmium,Copper,Lead,Zinc in Slippery Mushroom by FAAS

ZHOU Miao XU Yua ZHANG Xiu-Juana XUE Fengb (The Calculating and Testing Council of Shenyang 110179,P.R.China)a(College of Science,Northeastern University,Shenyang 110004,P.R.China)b(No.2 Middle School,Shenyang 110016,P.R.China)  
The total amounts of Cd,Cu,Pb,Zn were determined by FAAS.The samples were digested with a mixture of HNO3-HClO4(15∶2,volume ratio).The working parameters,the digestive and extracted conditions were optimized. Under the optimum conditions,the correlation coefficient of four elements were 0.9955—0.9999,the relative standard deviations were 0.6%—2.1%,the recoveries were from 94.2%—104.0%,and the precision were 2.2%—4.3%.The results were satisfactory in the practical samples and suitable for the day-to-day analysis and detection.
【CateGory Index】: O657.31;TS207.3
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