CSN P CEN/TS 17768

CSN P CEN/TS 17768 This document specifies the procedure for the digestion of different organic fertilizers and organo-mineral fertilizers with aqua regia to enable a subsequent determination of elements. The extracts are suitable for analysis using CEN/TS 17770 and CEN/TS 17769. NOTE - Alternatively, inductively coupled plasma mass spectrometry (ICP-MS) can be used for the measurement if the user proves that the method gives the same results.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.