Сохранить в закладки 1601042920314:
Item | Standard | Results | |
Appearance | White needle crystal or white crystalline powder | White needle crystal or white crystalline powder | |
Dry weight loss | ≤ 0.5% | 0.43 | |
Content | 99.5-101.0% | 99.94% | |
Melting point | 158-161℃ | 158.5℃ | |
Chloride | ≤ 100ppm | < 100ppm | |
Sulfate | ≤ 200ppm | < 200ppm | |
Heavy metals | ≤ 20ppm | < 20ppm | |
Ignition residue | 0.1% | 0.03% | |
Appearance of solution | Colorless, transparent liquid | Colorless, transparent liquid | |
Conclusion | Qualified |
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