Sodio carbonato, anidro 99.95%, extra puro
Fornitore: Thermo Fisher Scientific
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Attenzione
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Synonyms:
Calcined soda, Carbonic acid disodium salt
Formula:
Na₂CO₃ Punto di ebollizione: 1600 °C (760 mmHg) Punto di fusione: 851 °C Densità: 2,53 g/cm³ (20 °C) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00003494 CAS Number: 497-19-8 EINECS: 207-838-8 REACH: 01-2119485498-19 Merck Index: 14,08596 |
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Risultati del test di specificazione
Appearance | White Crystalline powder |
Loss on drying | ≤1 % (285°C) |
Titration with HCl | ≥99.90 % (on dried substance) |
Chloride (Cl) | ≤20 ppm |
Phosphate (PO4) | ≤10 ppm |
Aluminium (Al) | ≤10 ppm |
Calcium (Ca) | ≤50 ppm |
Iron (Fe) | ≤5 ppm |
Potassium (K) | ≤100 ppm |
Heavy metals (as Pb) | ≤5 ppm |
Total nitrogen compounds | ≤0.001 % (as N) |
Silicon dioxide (SiO2) | ≤50 ppm |
Total sulfur (as SO4) | ≤0.005 % |
Insoluble matter | ≤0.01 % (in water) |
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