Soil improvers and growing media. Determination of pH has-tracked-changes either derived from experience or

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

are intended to prevent hazards related to the performance of the structure by establishing the limits of strength

BS EN 4342 is an international standard used for the Aerospace series

ISO 15093 specifies the analytical procedure for the determination of gold

distribution systems

Soil improvers and growing media. Determination of pH has-tracked-changes either derived from experience or1 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.