GLA431-TIWA Triple Isotope Water Analyzer WICO 2024 Performance White Paper

This white paper details the outstanding performance of ABB’s GLA431-TIWA Triple Isotope Water Analyzer in the IAEA’s 2024 Water Isotope Interlaboratory Comparison (WICO) test, demonstrating high precision and accuracy for stable water isotope analysis (δ¹⁸O, δ²H, δ¹⁷O). The document describes the OA-ICOS technology, measurement methodology, and performance metrics (bias, z-score, ζ-score) showing excellent agreement with reference values across diverse water samples.