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EVS-EN ISO 14254:2011

Soil quality - Determination of exchangeable acidity in barium chloride extracts (ISO 14254:2001)

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Kehtetu alates 04.06.2018
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ISO 14254:2001; EN ISO 14254:2011
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Staatus
Kuupäev
Tüüp
Nimetus
04.06.2018
Põhitekst
03.08.2011
Põhitekst
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.

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EVS-EN ISO 11260:2011

Soil quality - Determination of effective cation exchange capacity and base saturation level using barium chloride solution (ISO 11260:1994+Cor 1:1996)
Kehtetu alates 04.06.2018