Nitrate in spinach

A spinach homogenate with incurred residues of nitrate is provided as test material. 

The analytical data are assessed with respect to the comparability criterion (z-score), based on the consensus value of the results of the participants.



Expected time schedule

Please register before:
01 April 2024
Dispatch of samples:
10 June 2024
Deadline for reporting results:
24 June 2024

Costs of P2418-RT

Ring test and material Amount Price per unit
Nitrate in spinach 500 €
Test material
Spinach, homogenised, unspiked.
100 g included

Note: PROOF-ACS reserves the right to cancel tests in case of less than ten participants.