• Showing  1 to  10 of  3337 

    Filters:

    Category

    • Examination of water for chemical substances
    Product Logo   

    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

    Product Logo   

    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

    Product Logo   

    ISO 21253-1 : 2019

    Water quality — Multi-compound class methods — Part 1: Criteria for the identification of targe

    International Organization for Standardization

    Product Logo   

    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

    Product Logo   

    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

    Product Logo   

    ISO 15681-2:2018

    Water quality Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) Part 2:Method by continuous flow analysis (CFA)

    International Organization for Standardization

    Product Logo   

    ISO 21676:2018

    Water quality Determination of the dissolved fraction of selected active pharmaceutical ingredients, transformation products and other organic substances in water and treated waste water Method using high performance liquid chromatography and mass spectrometric detection (HPLC-MS/MS or -HRMS) after direct injection

    International Organization for Standardization

    Product Logo   

    ISO 20236:2018

    Water quality -- Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion

    International Organization for Standardization

    Product Logo   

    ISO 20596-1 : 1ED 2018

    WATER QUALITY - DETERMINATION OF CYCLIC VOLATILE METHYLSILOXANES IN WATER - PART 1: METHOD USING PURGE AND TRAP WITH GAS CHROMATOGRAPHY-MASS SPECTROMETRY (GC-MS)

    International Organization for Standardization

    Product Logo   

    ISO 20950-1 : 1ED 2018

    WATER QUALITY - DETERMINATION OF AVAILABLE WEAK AND DISSOCIABLE (WAD) CYANIDE - PART 1: METHOD USING LIGAND EXCHANGE, FLOW INJECTION ANALYSIS (FIA), GAS-DIFFUSION AND AMPEROMETRIC DETECTION

    International Organization for Standardization

    1 2 3 4 5 6 7 8 9 10 >