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STN EN ISO 23696-1 (757493)
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Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023)
Standard published on 1.5.2026
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STN EN ISO 23696-2 (757493)
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Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023)
Standard published on 1.5.2026
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STN EN ISO 23697-1 (757494)
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Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023)
Standard published on 1.5.2026
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STN EN ISO 23697-2 (757494)
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Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023)
Standard published on 1.5.2026
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STN P CEN/TS 16692 (757495)
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Water quality - Determination of tributyltin (TBT) in whole water samples - Method using solid phase extraction (SPE) with SPE disks and gas chromatography with triple quadrupole mass spectrometry
Standard published on 1.4.2016
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STN EN ISO 6468 (757501)
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Water quality. Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorobenzenes. Gas chromatographic method after liquid-liquid extraction
Standard published on 1.10.1999
Selected format: Slovak - Print design (ON REQUEST)
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STN EN ISO 11369 (757502)
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Water quality. Determination of selected plant treatment agents. Method using high performance liquid chromatography with UV detection after solid-liquid extraction
Standard published on 1.12.2000
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STN EN ISO 27108 (757503)
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Water quality - Determination of selected plant treatment agents and biocide products - Method using solid-phase microextraction (SPME) followed by gas chromatography-mass spectrometry (GC-MS) (ISO 27108:2010)
Standard published on 1.1.2014
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STN EN 16693 (757504)
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Water quality - Determination of organochlorine pesticides (OCP) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS)
Standard published on 1.3.2016
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STN EN ISO 22478 (757508)
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Water quality - Determination of certain explosives and related compounds - Method using high-performance liquid chromatography (HPLC) with UV detection (ISO 22478:2006)
Standard published on 1.8.2006
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