Fertilizing products - Determination of the stability of fertilizing products containing micronutrient complexes; German version CEN/TS 17783:2022
Edition 2022-07

Organo-mineral fertilizers - Identification of complexing agents - Part 1: Method using UV-Vis spectrophotometry and gravimetry; German version CEN/TS 17784-1:2022
Edition 2022-07

Organo-mineral fertilizers - Identification of complexing agents - Part 2: Method using high-performance liquid chromatography (HPLC); German version CEN/TS 17784-2:2022
Edition 2022-07

Organo-mineral fertilizers - Determination of chelating and complexing agents; German version CEN/TS 17785:2022
Edition 2022-07

Inorganic micronutrient fertilizers - Determination of the chelated micronutrient content and the chelated fraction of micronutrients - Part 1: Treatment with a cation exchange resin; German version CEN/TS 17786-1:2022
Edition 2022-07

Inorganic micronutrient fertilizers - Determination of the chelated micronutrient content and the chelated fraction of micronutrients - Part 2: Determination of EDTA, DTPA, HEEDTA, IDHA or EDDS; German version CEN/TS 17786-2:2022
Edition 2022-07

Fertilizing products - Stability of chelating and complexing agents; German version CEN/TS 17787:2022
Edition 2022-07

Organo-mineral fertilizers - Determination of the fraction of complexed micronutrients; German version CEN/TS 17788:2022
Edition 2022-07

Organo-mineral fertilizers - Identification of chelating agents - Part 1: Determination of EDTA, HEEDTA and DTPA by ion chromatography; German version CEN/TS 17789-1:2022
Edition 2022-07

Organo-mineral fertilizers - Identification of chelating agents - Part 2: Determination of Fe chelated by [o,o] EDDHA, [o,o] EDDHMA and HBED, or the amount of chelating agents by ion pair chromatography; German version CEN/TS 17789-2:2022
Edition 2022-07