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《Environmental Chemistry》 1987-03
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Yuan Zhineng Shan Xiaoquan Ni Zheming(Institute of Environmental Chemistry, Academia Sinica,Beijing)  
A method has been developed for the determination of thallium and cadmium in environmental samples by graphite furnace atomic absorption spec-trometry using suspension sampling technique in combination with matrix modification. When palladium and ascorbic acid was used as a matrix modifier for the determination of thallium interferences from sample matrices were greatly reduced and aqueous standard calibration was feasible. If no matrix modification was used suspension sampling technique for direct determination of cadmium was unsuccessful. When ammonium sulphate matrix modification was employed a calibration procedure using a standard reference material, in which cadmium content was certified, was still required since the different atomization mechanism of cadmium in solid and aqueous solution. The recommended mathod has been applied for the determination of thallium and cadmium in coal fly ash, soil and sediment samples, and a good agreement was achieved between the data obtained by this method and the certified values.
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Chinese Journal Full-text Database 10 Hits
1 LU Hong - bing, ZHONG Ke - jun DENG Jun - fang ,ZOU Jun, WEI Wan - Zhi(College of Chemistry and Engineering,Hunan University,Changsha Hunan, 410082)(Centre of Science and Technology, ChangdeCigarette Factory, Changde, Hunan, 415000);Determination of Potassium In Tobaccp by Suspension Sampling - flame Atomic Absorption Spectrometry[J];;2004-04
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6 WANG Yuan-zhong1, LI Tao2, LIU Hong-gao3*, LI Xing-kui31. Inmol Laboratory of Biotechnology, Kunming 650212, China2. Yuxi Teacher’s College, Yuxi 653100, China3. Yunnan Agricultural University, Kunming 650201, China;Direct Determination of Manganese in Edible Fungi Using Suspension Sample Introduction and Hypo-Sensitive Wavelength by Flame Atomic Absorption Spectrometry[J];Spectroscopy and Spectral Analysis;2007-05
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5 Han Hengbin Ni Zheming (Institute of Environmental Chemistry, Academia Sinica);Atomic Absorption Specrometric Determination of Thallium in Environmental and Biological Samples with a Graphite Furnace Platform[J];Chinese Journal of Analytical Chemistry;1983-12
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【Secondary References】
Chinese Journal Full-text Database 10 Hits
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