ANNEXSupplementary provisions
ANNEX Identification number of the additive Additive Composition, chemical formula, description, methods of analysis Species or category of animal Maximum age Minimum content Maximum content Other provisions End of period of authorisation mg of active substance/kg of NaCl Technological additives: anti-caking agents 1i534 Iron sodium tartrates Additive composition Preparation of complexation products of sodium tartrates with iron(III) chloride in water solution ≤ 35 % (by weight). Characterisation of active substance Iron(III) complexation product of D(+)-, L(-)- and meso-2,3-dihydroxybutanedioic acids Ratio: iron to meso-tartrate 1:1; Ratio: iron to total tartrate isomers 1:1,5 CAS number 1280193-05-9 Fe(OH) 2 C 4 H 4 O 6 Na Chloride: ≤ 25 % Oxalates: ≤ 1,5 % expressed as oxalic acid Iron: ≥ 8 % iron(III) Analytical method ( 1 ) Quantification of meso-tartrate and D(-), L(+)-tartrates in the feed additive: — High Performance Liquid Chromatography with Refraction Index detection (HPLC-RI); Quantification of total iron in the feed additive: — Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) — EN 15510, or — Inductively Coupled Plasma Atomic Emission Spectroscopy after pressure digestion (ICP-AES) — EN 15621,or — Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) — EN ISO 11885, or — Atomic Absorption Spectrometry (AAS) — EN ISO 6869, or — Atomic Absorption Spectrometry (AAS) — Commission Regulation (EC) No 152/2009 ( 2 ) ; and Quantification of total sodium in the feed additive: — Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) — EN 15510; or — Inductively Coupled Plasma Atomic Emission Spectroscopy after pressure digestion (ICP-AES) — EN 15621; or — Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) — EN ISO 11885; or — Atomic Absorption Spectrometry (AAS) — EN ISO 6869; and Quantification of total chloride in the feed additive: — Titrimetry —Regulation (EC) No 152/2009 or ISO 6495. All animals species — — — 1. The additive shall be used only in NaCl (sodium chloride). 2. Minimum recommended dose: 26 mg of iron sodium tartrates/kg NaCl (equivalent to 3 mg iron/kg of NaCl). 3. Maximum recommended dose: 106 mg of iron sodium tartrates/kg NaCl. 29 June 2026 ( 1 ) Details of the analytical methods are available at the following address of the Reference Laboratory: https://ec.europa.eu/jrc/en/eurl/feed-additives/evaluation-reports ( 2 ) Commission Regulation (EC) No 152/2009 of 27 January 2009 laying down the methods of sampling and analysis for the official control of feed ( OJ L 54, 26.2.2009, p. 1 ).