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ISO 8692:1989WithdrawnWater quality — Fresh water algal growth inhibition test with Scenedesmus subspicatus and Selenastrum capricornutumISO 9174:1990WithdrawnWater quality — Determination of total chromium — Atomic absorption spectrometric methodsISO 9280:1990WithdrawnWater quality — Determination of sulfate — Gravimetric method using barium chlorideISO 9391:1993WithdrawnWater quality — Sampling in deep waters for macro-invertebrates — Guidance on the use of colonization, qualitative and quantitative samplersISO 9408:1991WithdrawnWater quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by determining the oxygen demand in a closed respirometerISO 9439:1990WithdrawnWater quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of released carbon dioxideISO 9509:1989WithdrawnWater quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste watersISO 9562:1998WithdrawnWater quality — Determination of adsorbable organically bound halogens (AOX)ISO 9562:1989WithdrawnWater quality — Determination of adsorbable organic halogens (AOX)ISO 9696:2007WithdrawnWater quality — Measurement of gross alpha activity in non-saline water — Thick source methodISO 9696:1992WithdrawnWater quality — Measurement of gross alpha activity in non-saline water — Thick source methodISO 9697:2015WithdrawnWater quality — Gross beta activity in non-saline water — Test method using thick sourceISO 9697:2008WithdrawnWater quality — Measurement of gross beta activity in non-saline water — Thick source methodISO 9697:1992WithdrawnWater quality — Measurement of gross beta activity in non-saline waterISO 9698:2010WithdrawnWater quality — Determination of tritium activity concentration — Liquid scintillation counting methodISO 9698:1989WithdrawnWater quality — Determination of tritium activity concentration — Liquid scintillation counting methodISO 9888:1991WithdrawnWater quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Static test (Zahn-Wellens method)ISO 9965:1993WithdrawnWater quality — Determination of selenium — Atomic absorption spectrometric method (hydride technique)ISO 10048:1991WithdrawnWater quality — Determination of nitrogen — Catalytic digestion after reduction with Devarda's alloyISO 10253:2016WithdrawnWater quality — Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutumISO 10253:2006WithdrawnWater quality — Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutumISO 10253:1995WithdrawnWater quality — Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutumISO 10304-4:1997WithdrawnWater quality — Determination of dissolved anions by liquid chromatography of ions — Part 4: Determination of chlorate, chloride and chlorite in water with low contaminationISO 10304-2:1995WithdrawnWater quality — Determination of dissolved anions by liquid chromatography of ions — Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste waterISO 10304-1:1992WithdrawnWater quality — Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions — Part 1: Method for water with low contamination