# Regulation (EC) No 2003/2003 of the European Parliament and of the Council of 13 October 2003 relating to fertilisers (Text with EEA relevance), Division A.2: Phosphatic fertilisers Where a particle size criterion is prescribed for the basic constituent materials of fertilisers sold in granular form (fertilisers 1, 3, 4, 5, 6 and 7), it will be established by an appropriate analytical method. No Type designation Data on method of production and essential ingredients Minimum content of nutrients (percentage by weight)Data on the expression of nutrientsOther requirements Other data on the type designation Nutrient content to be declaredForms and solubilities of the nutrientsOther criteria 1 2 3 4 5 6 1 Basic slag: Thomas phosphates Thomas slag Product obtained in iron-smelting by treatment of the phosphorus melts and containing calcium silicophosphates as its essential ingredients 12 % P2O5 Phosphorus expressed as phosphorus pentoxide soluble in mineral acids, at least 75 % of the declared content of phosphorus pentoxide being soluble in 2 % citric acid or P2O5 Phosphorus expressed as phosphorus pentoxide soluble in 2 % citric acid Particle size: at least 75 % able to pass through a sieve with a mesh of 0,160 mm at least 96 % able to pass through a sieve with a mesh of 0,630 mm Total phosphorus pentoxide (soluble in mineral acids) 75 % of which (to be indicated as % by weight) is soluble in 2 % citric acid (for marketing in France, Italy, Spain, Portugal, Greece, Czech Republic, Estonia, Cyprus, Latvia, Lithuania, Hungary, Malta, Poland, Slovenia, Slovakia,Bulgaria and Romania) Total phosphorus pentoxide (soluble in mineral acids) and phosphorus pentoxide soluble in 2 % citric acid (for marketing in the United Kingdom) Phosphorus pentoxide soluble in 2 % citric acid (for marketing in Germany, Belgium, Denmark, Ireland, Luxembourg, the Netherlands Iceland, Liechtenstein, Norway and Austria) 2(a) Single superphosphate Product obtained by reaction of ground mineral phosphate with sulphuric acid and containing monocalcium phosphate as an essential ingredient as well as calcium sulphate 16 % P2O5 Phosphorus expressed as P2O5 soluble in neutral ammonium citrate, at least 93 % of the declared content of P2O5 being water-soluble Test sample: 1 g Phosphorus pentoxide soluble in neutral ammonium citrate Water-soluble phosphorus pentoxide 2(b) Concentrated superphosphate Product obtained by reaction of ground mineral phosphate with sulphuric acid and phosphoric acid and containing monocalcium phosphate as an essential ingredient as well as calcium sulphate 25 % P2O5 Phosphorus expressed as P2O5 soluble in neutral ammonium citrate, at least 93 % of the declared content of P2O5 being water-soluble Test sample: 1 g Phosphorus pentoxide soluble in neutral ammonium citrate Water-soluble phosphorus pentoxide 2(c) Triple superphosphate Product obtained by reaction of ground mineral phosphate with phosphoric acid and containing monocalcium phosphate as its essential ingredient 38 % P 2 O 5 Phosphorus expressed as P 2 O 5 soluble in neutral ammonium citrate, at least 85 % of the declared content of P 2 O 5 being water-soluble Test sample: 3 g Phosphorus pentoxide soluble in neutral ammonium citrate Water-soluble phosphorus pentoxide 3 Partially solubilised rock phosphate Product obtained by partial solubilisation of ground rock phosphate with sulphuric acid or phosphoric acid and containing as essential ingredients monocalcium phosphate, tricalcium phosphate and calcium sulphate 20 % P2O5 Phosphorus expressed as P2O5 soluble in mineral acids, at least 40 % of the declared content of P2O5 being water-soluble Particle size: at least 90 % able to pass through a sieve with a mesh of 0,160 mm at least 98 % able to pass through a sieve with a mesh of 0,630 mm Total phosphorus pentoxide (soluble in mineral acids) Phosphorus pentoxide soluble in water 3(a) Partially solubilised rock phosphate with magnesium Product obtained by partial solubilisation of ground rock phosphate with sulphuric acid or phosphoric acid with the addition of magnesium sulphate or magnesium oxide, and containing as essential ingredients monocalcium phosphate, tricalcium phosphate, calcium sulphate and magnesium sulphate 16 % P 2 O 5 6 % MgO Phosphorus expressed as P 2 O 5 soluble in mineral acids, at least 40 % of the declared content of P 2 O 5 being water-soluble Particle size: at least 90 % able to pass through a sieve with a mesh of 0,160 mm at least 98 % able to pass through a sieve with a mesh of 0,630 mm Total phosphorus pentoxide (soluble in mineral acids) Phosphorus pentoxide soluble in water Total magnesium oxide Water-soluble magnesium oxide 4 Dicalcium phosphate Product obtained by precipitation of solubilised phosphoric acid from mineral phosphates or bones, and containing dicalcium phosphate dihydrate as its essential ingredient 38 % P2O5 Phosphorus expressed as P2O5 soluble in alkaline ammonium citrate (Petermann) Particle size: at least 90 % able to pass through a sieve with a mesh of 0,160 mm at least 98 % able to pass through a sieve with a mesh of 0,630 mm Phosphorus pentoxide soluble in alkaline ammonium citrate 5 Calcined phosphate Product obtained by heat treatment of ground rock phosphate with alkaline compounds and silicic acid, and containing alkaline calcium phosphate and calcium silicate as essential ingredients 25 % P2O5 Phosphorus expressed as P2O5 soluble in alkaline ammonium citrate (Petermann) Particle size: at least 75 % able to pass through a sieve with a mesh of 0,160 mm at least 96 % able to pass through a sieve with a mesh of 0,630 mm Phosphorus pentoxide soluble in alkaline ammonium citrate 6 Aluminium-calcium phosphate Product obtained in amorphous form by heat treatment and grinding, containing aluminium and calcium phosphates as essential ingredients 30 % P2O5 Phosphorus expressed as P2O5 soluble in mineral acids, at least 75 % of the declared content of P2O5 being soluble in alkaline ammonium citrate (Joulie) Particle size: at least 90 % able to pass through a sieve with a mesh of 0,160 mm at least 98 % able to pass through a sieve with a mesh of 0,630 mm Total phosphorus pentoxide (soluble in mineral acids) Phosphorus pentoxide soluble in alkaline ammonium citrate 7 Soft ground rock phosphate Product obtained by grinding soft mineral phosphates and containing tricalcium phosphate and calcium carbonate as essential ingredients 25 % P2O5 Phosphorus expressed as P2O5 soluble in mineral acids, at least 55 % of the declared content of P2O5 being soluble in 2 % formic acid Particle size: at least 90 % able to pass through a sieve with a mesh of 0,063 mm at least 99 % able to pass through a sieve with a mesh of 0,125 mm Total phosphorus pentoxide (soluble in mineral acids) Phosphorus pentoxide soluble in 2 % formic acid Percentage by weight of material able to pass through a sieve with a mesh of 0,063 mm --- Source: https://www.legislation.gov.uk/eur/2003/2003/division/A./division/A.2. (the official version) Page: https://openlegislation.uk/eu-regulation-2003-2003/division-A./division-A.2. Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.