Magnesium Sulphate Heptahydrate | ||||
Purity | 92% min. | 95% min. | 98% min. | 99.5% min. |
MgO | 15% min. | 15.5% min. | 16% min. | 16.24% min. |
Mg | 9% min. | 9.35% min. | 9.65% min. | 9.8% min. |
S | 12% min. | 12.2% min. | 12.6% min. | 12.8% min. |
Cl | 0.30% max. | 0.30% max. | 0.30% max. | 0.014% max. |
B | 1.0% max. | -- | -- | -- |
Fe | 1.0% max. | 20 ppm max. | 20 ppm max. | 20 ppm max. |
Pb | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. |
As | 3 ppm max. | 3 ppm max. | 3 ppm max. | 3 ppm max. |
Cr | 3 ppm max. | 3 ppm max. | 3 ppm max. | 3 ppm max. |
Cd | 3 ppm max. | 3 ppm max. | 3 ppm max. | 3 ppm max. |
Insoluble in water | 0.10% max. | 0.10% max. | 0.10% max. | 0.10% max |
PH(5W/V%Sol) | 5-8 | 5-8 | 5-8 | 5-8 |
Appearance | White Crystals | White Crystals | White Crystals | White Crystals |
Granular Size | 0.1-2mm | 0.1-2mm | 0.1-2mm | 0.1-1mm, 1-2mm, 2-3mm |
Magnesium Sulphate Heptahydrate | ||||
Purity | 92% min. | 95% min. | 98% min. | 99.5% min. |
MgO | 15% min. | 15.5% min. | 16% min. | 16.24% min. |
Mg | 9% min. | 9.35% min. | 9.65% min. | 9.8% min. |
S | 12% min. | 12.2% min. | 12.6% min. | 12.8% min. |
Cl | 0.30% max. | 0.30% max. | 0.30% max. | 0.014% max. |
B | 1.0% max. | -- | -- | -- |
Fe | 1.0% max. | 20 ppm max. | 20 ppm max. | 20 ppm max. |
Pb | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. |
As | 3 ppm max. | 3 ppm max. | 3 ppm max. | 3 ppm max. |
Cr | 3 ppm max. | 3 ppm max. | 3 ppm max. | 3 ppm max. |
Cd | 3 ppm max. | 3 ppm max. | 3 ppm max. | 3 ppm max. |
Insoluble in water | 0.10% max. | 0.10% max. | 0.10% max. | 0.10% max |
PH(5W/V%Sol) | 5-8 | 5-8 | 5-8 | 5-8 |
Appearance | White Crystals | White Crystals | White Crystals | White Crystals |
Granular Size | 0.1-2mm | 0.1-2mm | 0.1-2mm | 0.1-1mm, 1-2mm, 2-3mm |