Soil quality — Determination of exchangeable acidity using barium chloride solution as extractant
土壤质量 - 用氯化钡溶液作为萃取剂测定可交换酸度
发布日期:
2018-04-05
ISO 14254:2018规定了根据ISO 11260获得的土壤样品氯化钡提取物中可交换酸度的测定方法。
本文描述的程序主要涉及通过固定pH终点滴定法测定总交换酸度。
给出了两个附加和可选程序,分别描述了提取物中游离H+酸度和铝的测定。
ISO 14254:2018适用于所有类型的风干土壤样品。
ISO 14254:2018 specifies a method for the determination of exchangeable acidity in barium chloride extracts of soil samples obtained according to ISO 11260.
The procedure described herein mainly concerns the determination of total exchangeable acidity by means of a fixed pH end point titration.
Two additional and optional procedures are given, describing respectively, determinations of free H+ acidity and aluminium in the extracts.
ISO 14254:2018 is applicable to all types of air dry soil samples.