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| THE DETERMINATION OF SEVEN ANIONS IN WATER-EXTRACTABLE SOIL SAMPLES BY ION CHROMATOGRAPHY |
| LI Qing-xia, LIU Ya-xuan, CHEN Wei-ming, XIAO Xi-lian, ZHANG Qin |
| Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China |
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Abstract The technology for determination of seven anions in water-extractable soil samples by ion chromatography was developed and the extraction conditions were optimized. Under the optimum condition, the recoveries of seven anions (F-,Cl-,NO2-,SO42-,Br-,NO3- and PO43-) were 94.4%-102.5% and the precisions of seven anions were 3.1%-4.6%. The means has been applied to the determination of seven anions in water-extractable soil samples with satisfactory results.
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Received: 26 April 2011
Published: 10 June 2012
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