Registration number (WIID)Project No.TitleStatus
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
41918ISO 23909:2008Soil quality — Preparation of laboratory samples from large samplesStandarts spēkā
57561ISO/TS 16727:2013Soil quality — Determination of mercury — Cold vapour atomic fluorescence spectrometry (CVAFS)Standarts spēkā
88341ISO 17505:2025Soil and waste characterization — Temperature dependent differentiation of total carbon (TOC400, ROC, TIC900)Standarts spēkā
88192ISO 11465:2025Sludge and solid environmental matrices — Determination of dry residue or water content and calculation of the dry matter fraction on a mass basisStandarts spēkā
18781ISO 10693:1995Soil quality — Determination of carbonate content — Volumetric methodStandarts spēkā
75097ISO 16558-1:2015/Amd 1:2020Soil quality — Risk-based petroleum hydrocarbons — Part 1: Determination of aliphatic and aromatic fractions of volatile petroleum hydrocarbons using gas chromatography (static headspace method) — Amendment 1Standarts spēkā
46433ISO 10930:2012Soil quality — Measurement of the stability of soil aggregates subjected to the action of waterStandarts spēkā
28454ISO 14869-1:2001Soil quality — Dissolution for the determination of total element content — Part 1: Dissolution with hydrofluoric and perchloric acidsStandarts spēkā
59263ISO/TS 16558-2:2015Soil quality — Risk-based petroleum hydrocarbons — Part 2: Determination of aliphatic and aromatic fractions of semi-volatile petroleum hydrocarbons using gas chromatography with flame ionization detection (GC/FID)Standarts spēkā
Displaying 41-50 of 176 results.