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Item | BP2013 | USP35 | EP8.0 | ||
Appearance | White or almost white, fine powder. | ||||
Solubility | Sparingly soluble in water, practically insoluble in ethanol (96 per cent) | ||||
Identification | A. It gives the reaction of citrates B. It gives the reaction of magnesium | ||||
Content (dried substance) | 15.0%-16.5% | 14.5%-16.4% | 15.0%-16.5% | ||
PH Value | 6.0-8.5 | 5.0-9.0 | 6.0-8.5 | ||
Oxalats(C2O4) | NMT 280 ppm. | / | NMT 280 ppm. | ||
chlorid | / | NMT 0.05% | / | ||
Sulfates | NMT 0.2% | NMT 0.2% | NMT 0.2% | ||
Arsnic | / | NMT3ppm | / | ||
calcium (CA) | NMT 0.2% | NMT1% | NMT 0.2% | ||
Iron(FE) | NMT 100 ppm. | NMT 200 ppm. | NMT 100 ppm. | ||
Heavy metals | NMT 10ppm | NMT 50ppm | NMT 10ppm | ||
Loss on drying | NMT 3.5% ( 180 °C for 5h ) | NMT2% (135 °C for 16 h) | NMT 3.5% ( 180 °C for 5h) | ||





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