Registration number (WIID)Project No.TitleStatus
83962ISO 11271:2022Soil quality — Determination of redox potential — Field methodStandarts spēkā
19239ISO 11261:1995Soil quality — Determination of total nitrogen — Modified Kjeldahl methodStandarts spēkā
53737ISO 11262:2011Soil quality — Determination of total cyanideStandarts 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
59260ISO/TS 17182:2014Soil quality — Determination of some selected phenols and chlorophenols — Gas chromatographic method with mass spectrometric detectionStandarts spēkā
61450ISO/TR 18105:2014Soil quality — Detection of water soluble chromium(VI) using a ready-to-use test-kit methodStandarts spēkā
37718ISO 11464:2006Soil quality — Pretreatment of samples for physico-chemical analysisStandarts spēkā
60536ISO 14869-3:2017Soil quality — Dissolution for the determination of total element content — Part 3: Dissolution with hydrofluoric, hydrochloric and nitric acids using pressurised microwave techniqueStandarts spēkā
37718ISO 11464:2006Soil quality — Pretreatment of samples for physico-chemical analysisStandarts spēkā
Displaying 51-60 of 169 results.