标准摘要
[中文适用范围]： ISO 12782 的这一部分规定了测定土壤或其他材料中腐殖质浓度的程序。 其他材料还包括废物。 腐殖质的含量可用作地球化学模型的输入。 [外文原描述]： ISO 12782-4:2012 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.
英文名称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