Product Deail
Sodium carbonate anhydrous
【Another name】Sodium carbonate.
【Description】White particles or powders that gradually absorb water in the air become monohydrates. Relative density 2.532, decomposition at 400℃, melting point 851℃. Soluble in water, insoluble in ethanol, aqueous solution is alkaline.
|
Test item |
GR |
AR |
CP |
Other |
|
Assay(Na2CO3) /% |
≥99.8 |
≥99.8 |
≥99.8 |
Custom |
|
Clarity of solution /# |
≤2 | ≤3 | ≤4 | |
|
Water insoluble /% |
≤0.005 |
≤0.01 |
≤0.02 |
|
|
Loss on ignition(300℃) /% |
≤0.5 |
≤1.0 |
≤1.0 |
|
| Chloride(Cl) /% |
≤0.001 |
≤0.002 |
≤0.005 |
|
| Sulfur compound(SO4) /% |
≤0.003 |
≤0.005 |
≤0.01 |
|
| Total nitrogen(N) /% |
≤0.001 |
≤0.001 |
≤0.002 |
|
|
Phosphates and silicates(as SiO3) /% |
≤0.002 5 |
≤0.006 |
≤0.013 |
|
| Magnesium(Mg) /% |
≤0.000 5 |
≤0.002 |
≤0.005 |
|
|
Potassium(K) /% |
≤0.005 |
≤0.005 |
≤0.02 |
|
|
Aluminum(Al) /% |
≤0.001 |
≤0.003 |
≤0.01 |
|
| Calcium(Ca) /% |
≤0.005 |
≤0.01 |
≤0.02 |
|
| Iron(Fe) /% |
≤0.000 3 |
≤0.000 5 |
≤0.001 |
|
|
Heavy metals (as Pb) /% |
≤0.000 5 |
≤0.000 5 |
≤0.001 |
【Use】Used as analytical reagent; Reference reagent; Decomposition of sample solvents; Precipitating agent; Buffer; Preparation of sodium salts; Sodium glass and film printing and washing; Raw materials for making non-stick cookers; Electronic industry; Pharmaceutical excipients; Synthesis of high purity inorganic salts; Water softener.
