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Potassium Phosphate Dibasic (Anhydrous) 98% Extra Pure - Specifications |
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Alternative News |
Di-Potassium Hydrogen O-Phosphate |
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Description |
White hygroscopic crystalline powder |
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Assay (acidimetric on anhydrous basis) |
Min 98.0 % |
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Chloride (Cl) |
Max. 0.001% |
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Sulphate (SO4) |
Max. 0.005% |
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Melting Point/ Freezing Point [°C] |
253°C |
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Density [g/cm3] |
2.338 |
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Solubility in water [% weight] |
Soluble in water |
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Identification |
Passes test |
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pH (5% solution at 25°C) |
8.9-9.3 |
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Heavy metals (as Pb) |
Max. 0.0005% |
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Insoluble matter |
Max. 0.01% |
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Iron (Fe) |
Max. 0.001% |
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Loss on drying (130°C) |
Max 1% |
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Nitrogen compounds (N) |
Max. 0.001% |
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Sodium (Na) |
Max. 0.05% |
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Potassium Phosphate Dibasic (Anhydrous) 99% AR - Specifications |
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Density [g/cm3] |
White hygroscopic crystalline powder |
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Assay |
Min 99% |
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Chloride (Cl) |
Max. 0.001% |
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Sulphate (SO4) |
Max. 0.005% |
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Melting Point/ Freezing Point [°C] |
253°C |
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Density [g/cm3] |
2.338 |
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Solubility in water |
Soluble in water |
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pH (5% solution at 25°C) |
8.7-9.3 |
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Heavy metals (as Pb) |
Max. 0.0005% |
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Insoluble matter |
Max. 0.01% |
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Iron (Fe) |
Max. 0.001% |
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Loss on drying (130°C) |
Max 1% |
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Nitrogen compounds (N) |
Max. 0.001% |
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Sodium (Na) |
Max. 0.05% |
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