The establishment of EVISA is funded by the EU through
the Fifth Framework Programme (G7RT- CT- 2002- 05112).
Supporters of EVISA includes:
matrix reference material
are normally real world materials, which contain the analytes in the natural form and natural environment. These materials should resemble as much as possible the matrix of the sample to be analysed. When introduced in the beginning of the analysis, these materials can used to asses the quality of the analytical process process in all its steps.