ICS:13.060.50
Showing 154–161 of 161 results
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ISO 5663:1984 Water quality – Determination of Kjeldahl nitrogen – Method after mineralization with selenium
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ISO 9390:1990 Water quality – Determination of borate – Spectrometric method using azomethine-H
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ISO 15681:2018 Water quality – Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) – Part 2: Method by continuous flow analysis (CFA)
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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
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ISO 5815:2019 Water quality – Determination of biochemical oxygen demand after n days (BODn) – Part 1: Dilution and seeding method with allylthiourea addition
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ISO 22743:2007 Water quality – Determination of sulfates – Method by continuous flow analysis (CFA) – Technical Corrigendum 1
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ISO 7875:2003 Water quality – Determination of surfactants – Part 1: Determination of anionic surfactants by measurement of the methylene blue index (MBAS) – Technical Corrigendum 1
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ISO 7393:2001 Water quality – Determination of free chlorine and total chlorine – Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine – Technical Corrigendum 1
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