CEN - EN 13037
Soil improvers and growing media - Determination of pH
|Publication Date:||1 November 2011|
|ICS Code (Fertilizers):||65.080|
This European Standard specifies an instrumental method for the routine determination of pH in a suspension of soil improvers or growing media.
This method is not applicable to liming materials and preformed materials such as mineral wool slabs and foam slabs.
NOTE The requirements of the standard may differ from the national legal requirements for the declaration of the products concerned.