Registration number (WIID)Project No.TitleStatus
19239ISO 11261:1995Soil quality — Determination of total nitrogen — Modified Kjeldahl methodStandarts spēkā
65184ISO 22155:2016Soil quality — Gas chromatographic determination of volatile aromatic and halogenated hydrocarbons and selected ethers — Static headspace methodStandarts spēkā
19029ISO 11048:1995Soil quality — Determination of water-soluble and acid-soluble sulfateStandarts spēkā
19241ISO 11263:1994Soil quality — Determination of phosphorus — Spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solutionStandarts spēkā
59262ISO 17184:2014Soil quality — Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)Standarts spēkā
60060ISO 17586:2016Soil quality — Extraction of trace elements using dilute nitric acidStandarts spēkā
30427ISO 16720:2005Soil quality — Pretreatment of samples by freeze-drying for subsequent analysisStandarts spēkā
68256ISO 11274:2019Soil quality — Determination of the water-retention characteristic — Laboratory methodsStandarts spēkā
46433ISO 10930:2012Soil quality — Measurement of the stability of soil aggregates subjected to the action of waterStandarts 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
Displaying 61-70 of 176 results.