Molecular formula: (COONH4)2 H2O
Molecular weight: 142.12
Property:Colorless crystal, soluble in water and insoluble in alcohol
Uses:It is used as analytical reagent to test metal ion and for the production of safe explosive and pharmaceutical intermediate.
Executive standard: HG/T3453—1999
| Item |
Top grade pure |
analytically pure |
chemically pure |
| content〔(NH4)2C2O4H2O〕/%≥ |
99.8 |
99.5 |
99.5 |
| PH range (50g/L,25℃) |
6.0-7.0 |
6.0-7.0 |
6.0-7.0 |
| clarity test |
qualified |
qualified |
qualified |
| water insoluble/%≤ |
0.003 |
0.005 |
0.015 |
| chloride(Cl)/%≤ |
0.0005 |
0.001 |
0.002 |
| chloride(SO4)/%≤ |
0.005 |
0.01 |
0.02 |
| nitrate(NO3)/%≤ |
0.002 |
? |
? |
| sodium(Na)/%≤ |
0.001 |
0.002 |
0.005 |
| magnesium (Mg)/%≤ |
0.001 |
0.002 |
0.005 |
| potassium (K)/%≤ |
0.001 |
0.002 |
0.005 |
| potassium (Ca)/%≤ |
0.001 |
0.002 |
0.005 |
| Ferrum(Fe)/%≤ |
0.0002 |
0.0005 |
0.001 |
| heavy metal(in Pb)/%≤ |
0.0005 |
0.001 |
0.0015 |
|
