CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 59370 | EN ISO 12404:2015 | Soil quality - Guidance on the selection and application of screening methods (ISO 12404:2011) | Atcelts |
| 67208 | EN ISO 12404:2021 | Soil quality - Guidance on the selection and application of screening methods (ISO/DIS 12404:2020) | Izstrādē |
| 35857 | EN ISO 12782-1:2012 | Soil quality - Parameters for geochemical modelling of leaching and specification of constituents in soils and soil materials - Part 1: Extraction of amorphous iron oxides and hydroxides with ascorbic acid (ISO/DIS 12782-1:2010) | Izstrādē |
| 35858 | EN ISO 12782-2:2012 | Soil quality - Parameters for geochemical modelling of leaching and specification of constituents in soils and materials - Part 2: Extraction of crystalline iron oxides and hydroxides with dithionite (ISO/DIS 12782-2:2010) | Izstrādē |
| 35859 | EN ISO 12782-3:2012 | Soil quality - Parameters for geochemical modelling of leaching and specification of constituents in soils and materials - Part 3: Extraction of aluminium oxides and hydroxides with ammonium oxalate/oxalic acid (ISO/DIS 12782-3:2010) | Izstrādē |
| 35860 | EN ISO 12782-4:2012 | Soil quality - Parameters for geochemical modelling of leaching and specification of constituents in soils and materials - Part 4: Extraction of humic substances from solid samples (ISO/DIS 12782-4:2010) | Izstrādē |
| 35861 | EN ISO 12782-5:2012 | Soil quality - Parameters for geochemical modelling of leaching and specification of constituents in soils and materials - Part 5: Extraction of humic substances from aqueous samples (ISO/DIS 12782-5:2010) | Izstrādē |
| 59371 | EN ISO 13196:2015 | Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument (ISO 13196:2013) | Izstrādē |
| 37228 | EN ISO 14238:2013 | Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:2012) | Izstrādē |
| 70500 | EN ISO 14239:2020 | Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions (ISO 14239:2017) | Izstrādē |
Displaying 161-170 of 360 results.