Kvalita půdy - Stanovení výměnné acidity ve výluzích chloridem barnatým (Norma k přímému použití jako ČSN).
NORMA vydána dne 1.11.2018
Designation standards: ČSN EN ISO 14254
Classification mark: 836223
Catalog number: 505553
Publication date standards: 1.11.2018
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN
This document 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. This document is applicable to all types of air dry soil samples