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Sodium carbonate, anhydre 99.95%, très pur

Fournisseur: Thermo Fisher Scientific
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Synonyms: Calcined soda, Carbonic acid disodium salt

207765000 207760025
ACRO207765000EA 57.9 EUR
ACRO207765000 ACRO207760025
Sodium carbonate, anhydre 99.95%, très pur
Sodium carbonate
Formule: Na₂CO₃
MW: 105.99 g/mol
Point d'ébullition: 1600 °C (760 mmHg)
Point de fusion: 851 °C
Température de stockage: Température ambiante
Numéro MDL: MFCD00003494
Numéro CAS: 497-19-8
EINECS: 207-838-8
ATTEINDRE: 01-2119485498-19
Merck Index: 14,08596
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Résultats des tests de spécification

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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