Sodio carbonato monoidrato 99.5-100.5% (dry basis), EMPROVE® ESSENTIAL Ph. Eur., BP, NF, E500, SAFC®
Fornitore: MERCK PRODUCTION CHEMICALS
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Attenzione
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Synonyms:
Sodium carbonate hydrous, Soda monohydrate
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph Eur, BP, NF, E 500
Conforms to the purity criteria on food additives according to the current European Commission Regulation.
Formula:
Na₂CO₃·1H₂O Peso molecolare: 124,00 g/mol Punto di fusione: 107,85 °C Densità: 2,25 g/cm³ (20 °C) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00149177 CAS Number: 5968-11-6 EINECS: 207-838-8 |
Risultati del test di specificazione
Assay (Na₂CO₃) | 83.0 - 87.5 % |
Assay (acidimetric; calculated on dried substance) | 99.5 - 100.5 % |
Identity | passes test |
Appearance of solution | passes test |
Alkali hydroxides and Alkali hydrogen carbonates | passes test |
Chloride (Cl) | ≤ 0.0125 % |
Sulfate (SO₄) | ≤ 0.0250 % |
Heavy metals (as Pb) | ≤ 0.0010 % |
As (Arsenic) | ≤ 0.0003 % |
Cu (Copper) | ≤ 0.0025 % |
Fe (Iron) | ≤ 0.0050 % |
Hg (Mercury) | ≤ 0.0001 % |
Pb (Lead) | ≤ 0.0002 % |
Zn (Zinc) | ≤ 0.0025 % |
Residual solvents (ICH Q3C) | excluded by manufacturing process |
Loss on drying (300 °C) | 12.0 - 15.0 % |
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