| Test | Specification |
| Appearance | White powder, taste salty, hygroscopic |
| Solubility | Highly soluble in water but slightly soluble in ethanol |
| Identification A | Positive Reaction |
| Identification B | Positive Reaction |
| Identification C | Positive Reaction |
| PH | 6.0-8.0 |
| Sulfate | Less than 0.04% |
| Nitrate | Accord with require |
| Loss on dry | Less than 5.0% |
| Copper | Less than 0.0025% |
| Lead | Less than 0.002% |
| Ammonia | Within 2-6% |
Packaging:1kg/bottle, 25kg/drum, customer’s request
Shipping:It can be according to the customer’s request
Normal temperature preservation