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    • Examination of water for chemical substances
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    ISO 22104:2021

    Water quality — Determination of microcystins — Method using liquid chromatography and tandem mass spectrometry (LC-MS/MS)

    International Organization for Standardization

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    ISO 20596-2:2021

    Water quality — Determination of cyclic volatile methylsiloxanes in water — Part 2:Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)

    International Organization for Standardization

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    ISO 21863:2020

    Water quality — Determination of alkylmercury compounds in water — Method using gas chromatography-mass spectrometry (GC-MS) after phenylation and solvent extraction

    International Organization for Standardization

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    ISO 22066:2020

    Water quality — Determination of total cyanide — Method using segmented flow injection, in-line ultraviolet digestion analysis by gas diffusion and amperometric detection

    International Organization for Standardization

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    ISO 21793:2020

    Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozone hydroxyl radical oxidation (COHR)

    International Organization for Standardization

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    ISO 21675:2019

    Water quality — Determination of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in water — Method using solid phase extraction and liquid chromatography-tandem mass spectrometry (LC-MS/MS)

    International Organization for Standardization

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    ISO 21253-2:2019

    Water quality — Multi-compound class methods — Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method

    International Organization for Standardization

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    ISO 21253-1:2019

    Water quality — Multi-compound class methods — Part 1: Criteria for the identification of target compounds by gas and liquid chromatography and mass spectrometry

    International Organization for Standardization

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    ISO 5815-1:2019

    Water quality — Determination of biochemical oxygen demand after n days (BODn) — Part 1: Dilution and seeding method with allylthiourea addition

    International Organization for Standardization

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    ISO 12010:2019

    Water quality — Determination of short-chain polychlorinated alkanes (SCCP) in water — Method using gas chromatography-mass spectrometry (GC-MS) and negative-ion chemical ionization (NCI)

    International Organization for Standardization

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