This standard PD CEN/TS 17768:2022 Organic and organo-mineral fertilizers. Digestion by aqua regia for subsequent determination of elements is classified in these ICS categories:
65.080 Fertilizers
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.
