ISO 12782-4:2012 PDF

Scope: This part of ISO 12782 specifies a procedure to determine the concentration of humic substances in soil or other materials. Other materials also include waste. The content of humic substances can be used as input in geochemical models.

ISO 12782-4:2012 Referenced Document

EN 14899 Characterization of waste Sampling of waste materials Framework for the preparation and application of a Sampling Plan*， 2024-04-19 Update
EN 15002 Characterization of waste - Preparation of test portions from the laboratory sample*， 2015-04-01 Update
ISO 10381-1 Soil quality - Sampling - Part 1: Guidance on the design of sampling programmes
ISO 10381-2 Soil quality - Sampling - Part 2: Guidance on sampling techniques
ISO 10381-3 Soil quality - Sampling - Part 3: Guidance on safety
ISO 10381-4 Soil quality - Sampling - Part 4: Guidance on the procedure for investigation of natural, near-natural and cultivated sites
ISO 10381-5 Soil quality - Sampling - Part 5: Guidance on the procedure for the investigation of urban and industrial sites with regard to soil contamination
ISO 10381-6 Soil quality - Sampling - Part 6: Guidance on the collection, handling and storage of soil under aerobic conditions for the assessment of microbiological processes, biomass and diversity in the laboratory
ISO 11464 Soil quality - Pretreatment of samples for physico-chemical analysis
ISO 11465 Soil quality; determination of dry matter and water content on a mass basis; gravimetric method; technical corrigendum 1
ISO 3696 Water for analytical laboratory use; Specification and test methods
ISO 5667-3 Water quality*， 2024-02-01 Update
ISO 8245 Water quality - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)

2012 ISO 12782-4:2012 Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 4: Extraction of humic substances from solid samples