Sodium carbonate anhydrous is also named soda ash, the typical strong base weak acid salt. The aqueous solution is alkaline. Can react with most of the protonic acid (acidic strong percarbonic acid), the acid is generated when the amount of carbon dioxide, but the amount of sodium bicarbonate (baking soda).
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Specifications: content and the highest content of impurities %
Test Item | AR | CP |
Content | 99.8 | 99.8 |
Clarity test | Qualified | Qualified |
Water insoluble matter | 0.01 | 0.02 |
Dry weight loss | 1.0 | 1.0 |
Chloride (CL) | 0.002 | 0.005 |
Sulfur compounds (calculated as SO4) | 0.005 | 0.01 |
The nitrogen compound (in terms of N) | 0.001 | 0.002 |
Phosphate and silicate (calculated as SiO3) | 0.006 | 0.013 |
Magnesium (Mg) | 0.002 | 0.005 |
Aluminum (Al) | 0.003 | 0.01 |
Potassium (K) | 0.005 | 0.02 |
Calcium (Ca) | 0.01 | 0.02 |
Iron (Fe) | 0.0005 | 0.001 |
Heavy metals (PB) | 0.0005 | 0.001 |
| Sodium carbonate anhydrous used as an analytical reagent, such as a reference reagent, a decomposition sample flux, a precipitant, a buffer, and a sample evaporation aid in the emission spectrum analysis. Also used to prepare sodium salt, sodium glass and film printing. |  |
 | Quantitative analysis of the calibration of acid. Determination of aluminum, sulfur, copper, lead and zinc. Examination of urine and whole blood glucose. Analysis of flux of silica in cement. Metal metallographic analysis. |
