DIN EN ISO 14254 E:2017 Draft Document - Soil quality - Determination of exchangeable acidity in barium chloride extracts (ISO/DIS 14254:2017); German and English version prEN ISO 14254:2017
2018DIN EN ISO 14254:2018-11 Soil quality - Determination of exchangeable acidity using barium chloride solution as extractant (ISO 14254:2018); German version EN ISO 14254:2018
2018DIN EN ISO 14254:2018 Soil quality - Determination of exchangeable acidity using barium chloride solution as extractant (ISO 14254:2018)
2011DIN EN ISO 14254:2011 Soil quality - Determination of exchangeable acidity in barium chloride extracts (ISO 14254:2001); German version EN ISO 14254:2011