IHSS&IWA26 / BRNO / CZECHIA / August 23–28, 2026 PROGRAMME BOOKLET 4 Time Type Speaker Lecture/Activity 16:30–16:45 SL10 Helen Rutlidge Mitigation of Batch Effects in High Resolution Mass Spectrometry of Natural Organic Matter 16:45–17:00 SL11 Morimaru Kida Reframing Natural Organic Matter Research Through Compositional Data Analysis 17:00–17:15 SL12 Gyumin Kim Fluorescence-Based Machine Learning for Compost Maturity Prediction and Identification of Key Humification Mechanisms 17:15–17:30 SL13 Yuki Nakaya Solid-Phase Fluorescence Excitation-Emission Matrix (SPF-EEM) Spectroscopy of Clay MineralOrganic Matter Complex: Implications for the Origin of Soil Fluorescence 17:30–17:45 SL14 Etelvino H. Novotny Fast and Accurate Method to Estimate Biochar Pore Size Distribution, Water Retention Curves and Cation Sorption Capacity by Low-Field NMR 17:45–18:00 SL15 Jarrod Psutka Use of a Spectrophotometric Method for the Detection of Adulterants in Commercial Fulvic Acid Products 18:00–18:15 SL16 Antoine Raoult High‑Frequency Monitoring of Dissolved Organic Matter in the Seine River (France) Using the Fluocopée® In Situ Fluorescence Probe 18:15–18:30 SL17 Evgeny Shirshin Dissecting the Optical Properties of Humic Substances: From Fundamental Photophysics to the AI-Driven Insights 18:30–20:00 Poster Session
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