DIN EN ISO 14254-2011
土质.氯化钡提取物中可互换酸度的测定(ISO 14254-2001);德文版本EN ISO 14254-2011

Soil quality - Determination of exchangeable acidity in barium chloride extracts (ISO 14254:2001); German version EN ISO 14254:2011


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标准号
DIN EN ISO 14254-2011
发布日期
2011年09月
实施日期
废止日期
中国标准分类号
B11
国际标准分类号
13.080.10
发布单位
DE-DIN
引用标准
ISO 3696 ISO 11260 ISO 11464 ISO 11465
被代替标准
DIN EN ISO 14254-2010 DIN ISO 14254-2002
适用范围
This International Standard 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 (see note). Two optional procedures are also given, describing respectively, determinations of free H+ acidity and of aluminium in the extracts. This International Standard is applicable to all types of air-dry soil samples which have been pretreated in accordance with ISO 11464.

氯化钡 测试方法





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