Here a non-exhaustive list of standard methods for the determination of nitrogenous compounds present as contaminants in food products is provided. Inclusion in the list does not constitute endorsement by the NRL-MN, nor does it imply that the performance of the method is automatically adequate for the purpose of use by the laboratory.
Melamine
EN 16858: 2017
Foodstuffs - Determination of melamine and cyanuric acid in foodstuffs by liquid chromatography and tandem mass spectrometry (LC-MS/MS)
ISO 23970:2021
Milk, milk products and infant formula — Determination of melamine and cyanuric acid by liquid chromatography and tandem mass spectrometry (LC-MS/MS)
Nitrates and / or nitrites
EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
EN 12014-5:1997
Foodstuffs - Determination of nitrate and/or nitrite content - Enzymatic determination of nitrate content of vegetable-containing food for babies and infants
EN 12014-7:1998
Foodstuffs - Determination of nitrate and/or nitrite content - Continuous Flow method for the determination of nitrate content of vegetables and vegetable products after Cadmium reduction
LNR per i metalli e i composti azotati negli alimenti
Metodi analitici