SODIUM SULFATE ACS REAGENT ANHYDROUS
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Specifications
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| grade | ACS reagent anhydrous |
| assay | ≥99.0% |
| form | granular |
| total impurities | ≤0.01% insolubles |
| ≤5 ppm N compounds |
| loss ≤0.5% loss on ignition |
| pH | 5.2-9.2 (25 °C |
| mp | 884 °C(lit.) |
| density | 2.68 g/mL at 25 °C(lit.) |
| anion traces | chloride (Cl-): ≤0.001% |
| phosphate (PO4-): ≤0.001% |
| cation traces | Ca: ≤0.002% |
| Fe: ≤0.001% |
| K: ≤0.01% |
| Mg: ≤0.005% |
| heavy metals (as Pb) | ≤5 ppm |
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