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《SPECTROSCOPY AND SPECTRAL ANALYSIS》 1994-05
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STUDY ON DIRECTLY DETERMINATION OF SOLID SAMPLE BY GRAPHITE FURNACE AAS (Ⅱ)──DETERMINATION OF CADMIUM

MA Yupin; ZHAN Guoli and HAN YiqingAnalysis and Testing Center of Xin Jiang , 830011 Urumqi  
Using the device of micro solid sample in jection which was made by ourselves andCombined with the techniques of L'vov plateform, matrix modifier and alternate gas, thetrace cadmium in some plant, provision, soil and sediment has been directly determinated bygraphite furnace AAS. The problems of matrix interference and deducting background havebeen solved by selecting an appropriate matrix. The method is rapid, simple and sufficientlyprecise. The RSD is between 6. 2--11. 0% and recovery is about 93--105%.
【CateGory Index】: O657.3
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