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Sodium Sulfate
Na2SO4 FW 142.04 CAS 7757-82-6
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Physical Data |
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Appearance |
Clear |
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Density (g/ml. 25℃) |
1.840 |
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Boiling Point (℃) |
1429 |
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Aqueous Solubility (0℃) |
47.6 |
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ACS SS-5201 |
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Assay (ion-sensitive electrode) |
min 99.0% |
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Insoluble matter |
max 0.01% |
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pH (5% water) |
5.2-9.2 |
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Chloride (Cl) |
max 0.001% |
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Phosphate (PO4) |
max 0.001% |
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Total Nitrogen (N) |
max 0.0005% |
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Heavy metals (as Pb) |
max 0.0005% |
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Arsenic (As) |
max 0.01% |
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Calcium (Ca) |
max 0.01% |
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Iron (Fe) |
max 0.0005% |
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Potassium (K) |
max 0.002% |
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Magnesium (Mg) |
max 0.001% |
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Loss on Ignition (800℃) |
max 0.5% |
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