2010•Beverage industryRequires access

Determination of trace selenium in natural mineral water for drinking by CCT-ICP-MS

Shan Xiao-ying

Abstract

By ICP-MS with the third-generation Collision Cell Technology(CCT),trace selenium(Se)in natural mineral water for drinking was determined and analyzed.The internal standard was added online to correct the matrix effects and interface effects,and the Collision Cell Technology(CCT)was applied through the apparatus to eliminate the number of elements in the quality of interference.The calibration curve correlation coefficient was greater than 0.9995,the detection limit was 0.069 μg.L-1,the recovery was 94.5%-108.0%,and the relative standard deviation less than 10%(n=12.)

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Key concepts: Selenium, Detection limit, Chemistry, Calibration curve, Natural mineral, Correlation coefficient, Relative standard deviation, Matrix (chemical analysis)