DIN EN 13652:2002-01

This European Standard specifies an extraction method for the routine determination of water soluble extractable nutrients and recommends suitable analytical methods for the determination of the extracted nutrients in soil improvers and growing media. Note 1: This method is not applicable to liming materials or sewage sludges and is not suitable for materials like rockwool and foam slabs. Note 2: The requirements of the standard may differ from the national legal requirements for the declaration of the products concerned.