2012•Chemical engineerRequires access
Study of different concentrations of calcium,magnesium in environmental reference material by flame atomic absorption spectrophotometry
Tang Jing
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Abstract
Survey of different concentrations of calcium,magnesium in environmental reference material by flame atomic absorption spectrophotometry(AAS)was studied in this paper.At the optimum experiment conditions, the RSD results of low and high concentrations of calcium,magnesium were respectively 1.15% 、1.33%、0. 53%、0.86%.The recoveries low and high concentrations of calcium,magnesiun were respectively 104.00%、97.00%、98. 33%、96.67%.The method had simple operation,high-speed determining and accurate result.