• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Publications of NA 119

ISO 20079 2005-11 Standards Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test More  Order from DIN Media
ISO 20130 2018-07 Standards Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates More  Order from DIN Media
ISO 20179 2005-10 Standards Water quality - Determination of microcystins - Method using solid phase extraction (SPE) and high performance liquid chromatography (HPLC) with ultraviolet (UV) detection More  Order from DIN Media
ISO 20227 2017-06 Standards Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest More  Order from DIN Media
ISO 20236 2024-11 Standards 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 More  Order from DIN Media
ISO 20244 2018-06 Standards Soil quality - Screening method for water content - Determination by refractometry More  Order from DIN Media
ISO 20280 2007-08 Standards Soil quality - Determination of arsenic, antimony and selenium in aqua regia soil extracts with electrothermal or hydride-generation atomic absorption spectrometry More  Order from DIN Media
ISO 20295 2018-09 Standards Soil quality - Determination of perchlorate in soil using ion chromatography More  Order from DIN Media
ISO 20419 2018-10 Standards Treated wastewater reuse for irrigation - Guidelines for the adaptation of irrigation systems and practices to treated wastewater More  Order from DIN Media
ISO 20426 2018-05 Standards Guidelines for health risk assessment and management for non-potable water reuse More  Order from DIN Media

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