Product Deail
Ammonium acetate
【Another name】Ammoniumacetat。
【Characters】Colorless or white granular crystal, deliquescent, slightly acetic acid taste. Relative density 1.17, melting point 114 ℃. Soluble in water and ethanol, slightly soluble in acetone, the aqueous solution is acidic.
|
Test items |
GR |
AR |
CP |
Other |
|
Assay(CH3COONH4) /% |
≥98.0 |
≥98.0 |
≥97.0 |
Custom |
|
pH(50g/L,25℃) |
6.7-7.3 |
6.5-7.5 |
6.5-7.5 |
|
|
Clarity of solution /# |
≤2 |
≤3 |
≤5 |
|
|
Water insoluble /% |
≤0.002 |
≤0.005 |
≤0.01 |
|
|
Ignition residue(as sulfate) /% |
≤0.005 |
≤0.005 |
≤0.01 |
|
|
Water content /% |
≤2.0 |
- |
- |
|
| Chloride(Cl) /% |
≤0.000 5 |
≤0.000 5 |
≤0.001 |
|
| Sulfate(SO4) /% |
≤0.001 |
≤0.002 |
≤0.005 |
|
|
Nitrate(NO3) /% |
≤0.001 |
≤0.001 |
- |
|
| Phosphate(PO4) /% |
≤0.000 3 |
≤0.000 5 |
- |
|
| Magnesium(Mg) /% |
≤0.000 2 |
≤0.000 4 |
≤0.001 |
|
| Calcium(Ca) /% |
≤0.000 5 |
≤0.001 |
≤0.002 |
|
| Iron(Fe) /% |
≤0.000 2 |
≤0.000 5 |
≤0.001 |
|
| Heavy metals (as Pb) /% |
≤0.000 2 |
≤0.000 5 |
≤0.001 |
|
|
Reduced potassium permanganate substance (as O) /% |
≤0.001 6 |
≤0.003 2 |
≤0.003 2 |
【Use】used as analytical reagent; pharmaceutical excipients; food additives; electroplating chemicals; water treatment agents; buffer.
