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Sodium carbonate [497-19-8] (Na2CO3), molecular weight 105.99. Chemical purity is more than 99.5% (mass fraction), also known as soda ash, but the classification belongs to salt, not alkali. Also known as soda or soda ash in international trade. It is an important organic chemical material, mainly used in the production of flat glass, glass products and ceramic glazes. It is also widely used in domestic washing, acid neutralization, and food processing. | ||||||||
Item | Index High Class | Inspection Result |
Total Alkali(Quality Fraction of Na2CO3 Dry Basis)% ≥ | 99.2 | 99.45 |
NaCl (Quality Fraction of NaCl Dry Basis)% ≤ | 0.7 | 0.42 |
Fe Quality Fraction (Dry Basis)% ≤ | 0.0035 | 0.0009 |
Sulfate (Quality Fraction of SO4 Dry Basis)% ≤ | 0.03 | 0.006 |
Water Insoluble Matter%≤ | 0.03 | 0.005 |
Bulk Density(g/ml) | ≥0.90g/ml | 1.10g/ml |
180μm granularity c % 1.18mm ≥ | ≥ 70.0 | 77 |








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