标准摘要
[中文适用范围]： 本文件规定了一种测定土壤在pH=8.1缓冲溶液中的阳离子交换容量（CEC）的方法，以及测定土壤中可交换钠、钾、钙和镁含量的方法。本文件适用于各种类型风干的土壤样品。 [外文原描述]： This document specifies a method for the determination of the potential cation exchange capacity (CEC) of soil buffered at pH = 8,1 and for the determination of the content of exchangeable sodium, potassium, calcium and magnesium in soil. This document is applicable to all types of air-dried soil samples.
英文名称Soil quality — Determination of the potential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH = 8,1