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Overview ISO 20289:2018 - "Surface chemical analysis - Total reflection X‑ray fluorescence analysis of water" is an international standard that specifies a validated laboratory method for elemental a…
1 Scope This document provides a chemical method for technicians working with Total Reflection X-ray Fluorescence (TXRF) instrumentation to perform measurements of water samples , according to good p…
Overview ISO 20289:2025 - Surface chemical analysis - Total reflection X‑ray fluorescence analysis of water - specifies a laboratory chemical method for routine TXRF (total reflection X‑ray fluoresce…