Complaint
| Items | Standard | Results |
| Appearance | This product is yellow-brown or reddish-brown amorphous powder | Complies |
| solubility | This product is dissolved in water or ethanol and insoluble in ether or trichloromethane | Complies |
| Identification | A,B | Complies |
| Available iodine | 9.0%-12.0% | 11.1% |
| Loss on drying | ≤8.0% | 4.4% |
| Iodide ion | ≤6.0% | 2.1% |
| Heavy metals | ≤10ppm | <10ppm |
| Nitrogen content | 9.5%~11.5% | 9.9% |
| Ignition residue | ≤0.025% | ≤0.015% |
