ISO 18400-206:2018 Soil quality — Sampling — Part 206: Collection, handling and storage of soil for determination of chemical, physical and biological properties — Guidance on the determination of pH:提供了土壤溶液pH檢測(cè)的采樣和測(cè)試指南,支持環(huán)境監(jiān)測(cè)應(yīng)用。