Registration number (WIID)Project No.TitleStatus
41918ISO 23909:2008Soil quality — Preparation of laboratory samples from large samplesStandarts spēkā
88341ISO 17505:2025Soil and waste characterization — Temperature dependent differentiation of total carbon (TOC400, ROC, TIC900)Standarts spēkā
19239ISO 11261:1995Soil quality — Determination of total nitrogen — Modified Kjeldahl methodStandarts spēkā
25232ISO 14870:2001Soil quality — Extraction of trace elements by buffered DTPA solutionStandarts spēkā
20886ISO 11465:1993Soil quality — Determination of dry matter and water content on a mass basis — Gravimetric methodStandarts spēkā
19239ISO 11261:1995Soil quality — Determination of total nitrogen — Modified Kjeldahl methodStandarts spēkā
54710ISO 14388-3:2014Soil quality — Acid-base accounting procedure for acid sulfate soils — Part 3: Suspension peroxide oxidation combined acidity and sulfur (SPOCAS) methodologyStandarts spēkā
84177ISO 18475:2023Environmental solid matrices — Determination of polychlorinated biphenyls (PCB) by gas chromatography - mass selective detection (GC-MS) or electron-capture detection (GC-ECD)Standarts spēkā
23081ISO 14255:1998Soil quality — Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractantStandarts spēkā
57561ISO/TS 16727:2013Soil quality — Determination of mercury — Cold vapour atomic fluorescence spectrometry (CVAFS)Standarts spēkā
Displaying 131-140 of 180 results.