GENERAL DESCRIPTION
Typical appearance: hygroscopic solid
Analytical use: buffer solution; determination of lead iron separating lead sulfate from other sulfates.
Change in state (approximate): melting point 114 0C
Aqueous solubility: very soluble
| Assay |
>97% CH3 COONH4 |
| PH of a 5% solution at 25.0 0C |
6.7-7.3 |
| |
Maximum Allowable |
| Insoluble matter |
0.005% |
| Reside after ignition |
0.01% |
| Chloride (Cl) |
5 ppm |
| Nitrate (NO3) |
0.001% |
| Sulfate (SO4) |
0.001% |
| Heavy metals (as Pb) |
5 ppm |
| Iron (Fe) |
5 ppm |
