Soil improvers and growing media. Determination of pH has-tracked-changes ISO 15093 specifies the analytical

ISO 15093 specifies the analytical procedure for the determination of gold

either derived from experience or through calibration with existing lines that had a long history of satisfactory performance

There are two main changes

energy and water supply

Soil improvers and growing media. Determination of pH has-tracked-changes ISO 15093 specifies the analytical1 Scope 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.