OA-ICOS™ GLA431-TIWA
Triple Isotopic Water Analyzer
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ABB’s Tripe Isotopic Water Analyzer, GLA431-TIWA, is the only instrument for isotopic water measurements (liquid water and water vapor) capable of reporting all major isotopologues (H2O, H2HO, H217O, H218O) simultaneously. The IWA combines the features of ABB’s Triple Liquid Water Isotope Analyzer (GLA431-TLWIA) and Water Vapor Isotope Analyzer (GLA331-TWVIA) in a single instrument. Changing between operational modes could not be simpler. With a simple toggle switch, the user can quickly change from measuring liquid water to water vapor, or vice versa.
Use of laser spectroscopy for tritium enrichment determination in water samples
ABB’s GLA431 Series water isotope analyzers use OA-ICOS laser spectroscopy to measure deuterium enrichment in environmental water samples, enabling a faster alternative to traditional tritium analysis methods. Discover how by replacing the Spike Proxy Method with the Deuterium Method, laboratories can eliminate the need for tritium spike standards, reduce sample preparation steps, and improve throughput.
Studies from the IAEA demonstrated that this approach delivers accuracy comparable to conventional methods while providing quicker feedback on enrichment performance and overall laboratory efficiency.
Resource details:
Resource type: Application note
Page count: 3
Read time: 6 mins
Performance of ABB’s Triple Isotope Water Analyzer in IAEA’s WICO 2024 Intercomparison Test
Accurate water isotope analysis is essential for hydrology, climate research, and environmental monitoring, yet traditional methods often demand complex preparation and controlled lab conditions.
Discover how laser-based spectroscopy technology enables high-precision measurement of δ¹⁸O, δ²H, and δ¹⁷O in both liquid and vapor samples, delivering reliable, reproducible data for advanced scientific applications.
