1 Scope
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.