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《SPECTROSCOPY AND SPECTRAL ANALYSIS》 1997-03
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STUDY ON THE DIRECT DETERMINATION OF Pb AND Cd IN MILK POWDER BY GFAAS

LIU Hongwang,PAN Zhengqiu  and FENG Jiali  Changsha Health and Quarantine Bureau of P.R.China 410001 Changsha Hunan Provincial Sanitation and Anti epidemic Station 410005 Changsha  
The paper reports the direct determination of Pb and Cd in milk powder by GFAAS.The mothed does not need any pre treatment to the samples and fully use some function of pre treatment which the Graphite Furnace have.The result indicates that the method is simple,rapid and accurate,and the false result from any pre treatment to the samples can be reduced.The recover rate of Pb is 100 1%,CV=2 7%;and Cd is 98 6%,CV=3 1%.This method is also applied to the rapid determination of Pb and Cd in soluble samples with satisfactory results.
【CateGory Index】: O657.31:O655
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