Division PFC 1(C): INORGANIC FERTILISER
United Kingdom
| Forms of the declared nutrient and other declared parameters | Permissible tolerance for the declared macronutrient content and other declared parameters |
|---|---|
| Declared forms of nitrogen (N) | ± 20 % relative deviation of the declared value up to a maximum of 1,5 percentage points in absolute terms |
| Declared forms of phosphorus pentoxide (P2O5) | ± 20 % relative deviation of the declared value up to a maximum of 1,5 percentage points in absolute terms |
| Declared forms of potassium oxide (K2O) | ± 20 % relative deviation of the declared value up to a maximum of 1,5 percentage points in absolute terms |
| Declared forms of nitrogen (N), phosphorus pentoxide (P2O5) or potassium oxide (K2O) in binary fertilisers | ± 1,5 percentage points in absolute terms |
| Declared forms of nitrogen (N), phosphorus pentoxide (P2O5) or potassium oxide (K2O) in tertiary fertilisers | ± 1,9 percentage points in absolute terms |
| Total and water-soluble magnesium oxide (MgO), calcium oxide (CaO), sulphur trioxide (SO3) | ± 25 % of the declared content of those nutrients up to a maximum of 1,0 percentage point in absolute terms |
| Total and water soluble sodium oxide (Na2O) | – 25 % of the declared content up to a maximum of 0,9 percentage point in absolute terms + 50 % of the declared content up to a maximum of 1,8 percentage points in absolute terms |
| Granulometry | ± 10 % relative deviation of the declared percentage of material passing a specific sieve |
| Quantity | ± 1 % relative deviation of the declared value |
| Micronutrient | Permissible tolerance for the declared content of forms of micronutrient |
|---|---|
| Concentration below or equal to 2 % | ± 20 % of the declared value |
| Concentration of more than 2 % and below or equal to 10 % | ± 20 % of the declared value up to a maximum of 1,0 percentage point in absolute terms |
| Concentration of more than 10 % | ± 1,0 percentage point in absolute terms |
Quantity: ± 5 % relative deviation of the declared value