Shimadzu Scientific Instruments Inc

Analysis of Trace Elements in Water by EPA Method 200.8 using ICP Mass Spectrometry

Courtesy of Shimadzu Scientific Instruments Inc

This application note describes the methodology and use of the Shimadzu ICPMS-2030 ICP mass spectrometer for the analysis of trace elements in drinking and fresh waters following the EPA 200.8 method. This method is also used for analysis of wastewater. In-line addition of internal standards to calibration and unknown samples was accomplished using the Shimadzu Internal Standard Addition Kit. Based on the internal diameter of peristaltic tubing used for sample and internal standard injection, the approximate dilution factor of the internal standard solution was 90%. High-purity reagents were used during sample preparation and dilution to ensure minimal contamination. All standards and unknown samples were prepared in cleaned, single-use containers to minimize any cross-contamination between analytical runs.