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Determination of Tin in Environmental Water Samples by ICP-OES

Lu Xihong;Ren Lan;Yang Zhengbiao;Han Qian;Nanjing Environmental Monitoring Center;  
A method of Inductively Coupled Plasma Optical Emission Spectrometry(ICP-OES) was applied to study the determination of tin in water samples.Operation parameters and condition were optimized and selected.The optimum instrument conditions were:analysis spectral line 189.9nm,RF power 1100W,nebulizer pressure 200kPa.Pre-treatment method of water samples was discussed.The results indicated that in the linear range of 0-10mg/,the related coeffi cient was 0.9999,the detection limit was 0.015mg/L,and the RSD was in the range of 2.40-5.59%,and the recovery was in the range of 83.0-95.0%.The method has advantages of high accuracy,precision,easy equipment operating,wide linearity and etc.It is a good method to measure tin content in water.
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