标准摘要
[中文适用范围]： 本文件概述了 ISO 8157 中定义的钙和镁测定的相关方法。 本文件适用于任何含有钙和/或镁的中性、碱性或酸性矿质土壤改良剂。 [外文原描述]： This document establishes an overview of the relevant methods for the determination of calcium and magnesium as defined in ISO 8157. This document is applicable to any mineral soil amendment, neutral, basic or acid containing calcium and/or magnesium.
英文名称Fertilizers and soil conditioners — Mineral soil amendments — Determination of total calcium and magnesium content