This document specifies a chromatographic method which allows the identification of heptagluconic acid (HGA) in organo-mineral fertilizers containing heptagluconic acid metal complexes.
NOTE For the complete names of the chelating agents mentioned in this document, see Annex D.
Directives related to this standard.
dnaSRPS CEN/TS 17784-2:2021
50.60 Close of voting. Proof returned by secretariat
Dec 20, 2021