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This is the original version (as it was originally made).
SECTION EFERTILISERS CONTAINING MAINLY CALCIUM, MAGNESIUM OR SULPHUR AS NUTRIENTS
| Group | Name of Material | Meaning | Declaration | Limits of variation (absolute value in % by weight, except when stated) |
|---|
| (1) | (2) | (3) | (4) | (5) |
|---|
| Calcium sulphate
In addition usual trading names may be given
| Product of natural or industrial origin containing as its essential ingredient calcium sulphate at various degrees of hydration, containing by weight:
1. Not less than 25% calcium oxide
2. Not less than 35% sulphur trioxide
Calcium and sulphur are expressed as total calcium oxide and sulphur trioxide
Not less than 80% of the calcium sulphate should be able to pass through a 2 mm sieve.
Not less than 99% of the calcium sulphate should be able to pass through a 10 mm sieve.
| Amount of total sulphur trioxide
Optional declarationAmount of calcium oxide
| 0.9
0.9
|
| Calcium chloride solution | Calcium chloride solution of industrial origin, containing not less than 12% calcium oxide.
Calcium is expressed as calcium oxide soluble in water.
| Amount of calcium oxide
Optional declarationfor plant spraying
| 0.9 |
| Elemental sulphur | Comparatively refined natural or industrial product containing not less than 98% sulphur (245% sulphur trioxide).
Sulphur is expressed as total sulphur trioxide.
| Amount of total sulphur trioxide | 0.9 |
| Kieserite
In addition usual trading names may be given
| Product of mineral origin containing monohydrated magnesium sulphate as its main component containing by weight:
1. Not less than 24% magnesium oxide
2. Not less than 45% sulphur trioxide.
Magnesium and sulphur expressed as mangesium oxide soluble in water and sulphur trioxide soluble in water.
| Amount of magnesium oxide soluble in water
Optional declarationAmount of sulphur-trioxide soluble in water
| 0.9
0.9
|
| Magnesium sulphate
In addition usual trading names may be given
| Product containing heptahydrated magnesium sulphate as its main component and containing by weight:
1. Not less than 15% magnesium oxide
2. Not less than 28% sulphur trioxide.
Magnesium and sulphur are expressed as magnesium oxide soluble in water and sulphur trioxide.
| Amount of magnesium oxide soluble in water
Optional declarationAmount of sulphur trioxide soluble in water
| 0.9
0.9
|
| Magnesium chloride solution | Product obtained by dissolving magnesium chloride of industrial origin and containing by weight:
1. Not less than 13% magnes;um oxide
2. Not less than 3% calcium oxide.
| Amount of magnesium oxide | 0.9 |
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