Ammonium carbonate
- Commodity name： Ammonium carbonate
Classification
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Keywords
Ammonium carbonate
[Appearance] White or colorless semi transparent crystalline flakes or powder. There is an ammonia smell, which gradually turns into ammonium bicarbonate when exposed to air. When heated to 550 ℃, it decomposes into ammonia and carbon dioxide. Soluble in water, but decomposes in hot water (70 ℃), insoluble in concentrated ammonia and ethanol.
[Purpose] Used as an analytical reagent. Used for carbonate preparation, fermentation, and wool defatting. It is also used for drop analysis of radium, lithium, thorium, and other substances.
[Standard] Impurity content standard is calculated in percentage
|
Specifications |
Analytical Pure AR |
Chemical purity-CP |
| Indicator Name | ||
|
content(NH3) /% |
≥40.0 |
≥40.0 |
|
Clarity test |
qualified |
qualified |
|
Water insoluble substances |
≤0.002 |
≤0.01 |
|
Burning residue (calculated as sulfate) |
≤0.002 |
≤0.01 |
|
Chloride (Cl) |
≤0.0005 |
≤0.01 |
|
Sulfur compounds (calculated as SO4) |
≤0.002 |
≤0.005 |
|
iron(Fe) |
≤0.0001 |
≤0.0005 |
|
Heavy metals (calculated as Pb) |
≤0.0005 |
≤0.001 |
[Packaging] Inner plastic outer woven, kraft paper bag or cardboard drum, net weight 25kg.
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