Category of nutritional additives. Functional group: compounds of trace elements3b801 | | Sodium selenite | Characterisation of the additiveSodium selenite, as a powder, with a minimum content of 45 % seleniumCharacterisation of the active substanceSodium seleniteChemical formula: Na2SeO3CAS number 10102-18-8Einecs number 233-267-9Analytical methodFor the characterisation of sodium selenite:- Titrimetry — European Pharmacopoeia Monograph 01/2008:1677; and/or
- Gravimetry
For the quantification of total sodium in sodium selenite:- Atomic Absorption Spectrometry (AAS) - EN ISO 6869:2000; or
- Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES) - EN:15510:2007
For the quantification of total selenium in premixtures feed materials and compound feed:- Hydride Generation Atomic Absorption Spectrometry (HGAAS) after microwave digestion — EN 16159:2012
| All species | — | | 0,50 (total) | 1.Sodium selenite may be placed on the market and used as an additive consisting of a preparation.2.The additive shall be incorporated into feed in the form of a premixture.3.For users of the additive and premixture, feed business operators shall establish operational procedures and organisational measures to address potential risks by inhalation, dermal contact or eye contact. Where those risks cannot be eliminated or reduced to a minimum by such procedures and measures, the additive and premixture shall be used with appropriate personal protective equipment. | 3 February 2029 |
3b802 | | Coated granulated sodium selenite | Characterisation of the additiveCoated granulated preparation of Sodium selenite with- a selenium content of 1 % - 4,5 % and
- coating agents and dispersants (polyoxyethylene (20) sorbitan monolaurate (E 432), glycerol polyethyleneglycol ricinoleate (E 484), polyethyleneglycol 300, sorbitol (E 420ii) or maltodextrin) up to 5 %and
- granulating agents (calcium magnesium carbonate, calcium carbonate, corn cobs) up to 100 % w/w.
Particles < 50 μm: below 5 %Characterisation of the active substanceSodium seleniteChemical formula: Na2SeO3CAS number 10102-18-8Einecs number 233-267-9Analytical methodFor the quantification of total selenium in the feed additive (film granulated preparation):- Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES); or
- Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
For the quantification of total sodium in the feed additive (film granulated preparation):- Atomic Absorption Spectrometry (AAS) - EN ISO 6869:2000; or
- Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES) - EN:15510:2007
For the quantification of total selenium in premixtures, feed materials and compound feed:- Hydride Generation Atomic Absorption Spectrometry (HGAAS) after microwave digestion — EN 16159:2012
| All species | — | | 0,50 (total) | 1.The additive shall be incorporated into feed in the form of a premixture.2.For users of the additive and premixture, feed business operators shall establish operational procedures and organisational measures to address potential risks by inhalation, dermal contact or eye contact. Where those risks cannot be eliminated or reduced to a minimum by such procedures and measures, the additive and premixture shall be used with appropriate personal protective equipment. | 3 February 2029 |
3b818 | — | Zinc-L-selenomethionine | Characterisation of the additiveSolid preparation of Zinc-L-selenomethionine with a selenium content of 1-2 g/kgCharacterisation of the active substanceOrganic selenium in form of zinc L-selenomethionineChemical formula: C5H10ClNO2SeZnCrystalline powder with- L-selenomethionine > 62 %,
- selenium > 24,5 %,
- zinc > 19 % and
- chloride > 20 %
Analytical methodFor the determination of selenomethionine in the feed additive:- high performance liquid chromatography with fluorescence detection (HPLC-FLD)
For the determination of total selenium in the feed additive:- inductively coupled plasma-atomic emission spectrometry (ICP-AES); or
- inductively coupled plasma-mass spectrometry (ICP-MS)
For the determination of total selenium in premixtures, feed materials and compound feed:- hydride generation atomic absorption spectrometry (HGAAS) after microwave digestion – EN 16159
For the quantification of total zinc in the feed additive:- inductively coupled plasma-atomic emission spectrometry (ICP-AES) – EN 15510; or
- inductively coupled plasma-atomic emission spectrometry after pressure digestion, (ICP-AES) – EN 15621
| All species | — | | 0,50 (total) | 1.The additive shall be incorporated into feed in the form of a premixture.2.For users of the additive and premixture, feed business operators shall establish operational procedures and organisational measures to address potential risks by inhalation, dermal contact or eyes contact. Where those risks cannot be eliminated or reduced to a minimum by such procedures and measures, the additive and premixture shall be used with appropriate personal protective equipment.3.In the directions for use of the additive and premixture, the storage conditions and the stability to heat treatment shall be indicated.4.Maximum supplementation with organic selenium:0,20 mg Se/kg of complete feed with a moisture content of 12 %. | 3 February 2029 |