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| MF: | NaNO3 | Purity: | 99.9% |
|---|---|---|---|
| Family: | Cucurbitaceae | Order: | Sodium Nitrate |
| Grade Standard: | Industrial Grade | Origin: | China |
| High Light: | sodium nitrate in water,natrium nitrate |
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Nano3 99.9% / HS No.: 3102500000 / Sodium Salt Nitrate for Industry Grade
Sodium nitrate can be combined with sulfuric acid and nitric acid distilled off. At lower pressure the lower temperature needed results in less decomposition. The theoretical 2 moles of nitric acid per 1 mole of sulfuric acid results in a very high end temperature, much decomposition and a solid neutral sulfate that is difficult to remove. When this reaction was important industrially, it was common practice to operate with sulfuric acid in excess to end on a mostly bisulfate product poured molten out of the retort.
Hobbyist gold refiners use sodium nitrate to make a hybrid aqua regia that dissolves gold and other meta.
| Properties | |
| Chemical formula | NaNO3 |
| Molar mass | 84.9947 g/mol |
| Appearance | White powder or colorless crystals |
| Odor | sweet |
| Density | 2.257 g/cm3, solid |
| Melting point | 308 °C (586 °F; 581 K) |
| Boiling point | 380 °C (716 °F; 653 K) decomposes |
| Solubility in water | 73 g/100 mL (0 °C) 91.2 g/100 mL (25 °C) 180 g/100 mL (100 °C) |
| Solubility | very soluble in ammonia, hydrazine soluble in alcohol slightly soluble in pyridine insoluble in acetone |
| Magnetic susceptibility (χ) | −25.6·10−6 cm3/mol |
| Refractive index (nD) | 1.587 (trigonal) 1.336 (rhombohedral) |
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