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Other name:
CAS No.: 497-19-8
Na2CO3
Molecular Weight: 105.99
Characters: colorless transparent crystal, can be easily weathered, easily soluble in water, insoluble in ethanol, aqueous solution is highly basic.
Specifications:
| Sodium Carbonate Anhydrous | A.R. | C.P. | BP2007 |
| Assay(Na2CO3)% | ≥99.8 | ≥99.8 | ≥99.8 |
| Clarification Examination | Pass | Pass | Pass |
| Water insoluble% | ≤0.01 | ≤0.02 | — |
| Residue on Ignition(300℃)% | ≤1.0 | ≤1.0 | — |
| Chlorides(Cl) % | ≤0.002 | ≤0.005 | ≤0.0125 |
| Sulphates(SO4) % | ≤0.005 | ≤0.01 | ≤0.025 |
| Nitrogen compound(N) % | ≤0.001 | ≤0.002 | — |
| Phosphate and Silicate(SiO3))% | ≤0.006 | ≤0.013 | — |
| Magnesium (Mg)% | ≤0.002 | ≤0.005 | — |
| Aluminum (Al) % | ≤0.0003 | ≤0.01 | — |
| Potassium (K)% | ≤0.005 | ≤0.02 | — |
| Calcium (Ca)% | ≤0.01 | ≤0.02 | — |
| Arsenic (As)% | — | — | ≤0.0005 |
| Iron (Fe)% | ≤0.0005 | ≤0.001 | ≤0.005 |
| Loss on drying(%) | — | — | ≤1.0 |
| Heavy metals (as Pb) % | ≤0.0005 | ≤0.001 | ≤0.005 |
| Alkali Hydroxide and Bicarbonates | — | — | Conform |
Product Usage: As analytical reagent, such as standard reagent, precipitator and buffering agent; used in the preparation of sodium salt and photofinishing.
Packaging: 25Kg/woven bag with double PE liners
Storage Precautions: Protect against fire, rain, damage or pollution.
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