The applications of a commercial gas/liquid separator coupled with an inductively coupled plasma mass spectrometer
1992
Using a Gas/Liquid Separator with ICP-MS for Better Element Analysis
publication
Evidence: high
Author Information
Author(s): Peter Hitchen, Robert Hutton, Christopher Tye
Primary Institution: VG Elemental
Hypothesis
Can a commercial gas/liquid separator improve the detection of elements like arsenic and selenium in ICP-MS?
Conclusion
The study demonstrates that using a membrane gas-liquid separator with hydride generation significantly enhances the detection capabilities for elements like arsenic and selenium in ICP-MS.
Supporting Evidence
- The new method showed improvements in detection limits for arsenic and selenium by up to 100 times.
- Excellent recoveries were achieved when analyzing seawater standards spiked with low levels of arsenic and selenium.
- The technique effectively reduced chloride interferences that previously complicated analyses.
Takeaway
This study shows that a special separator can help scientists find tiny amounts of certain elements in water better than before.
Methodology
The study involved using a continuous flow hydride generator with a tubular membrane gas-liquid separator connected to an ICP-MS instrument to analyze various elements.
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