Warning: file_put_contents(/home/ycdgjmy1ky9cedag2jlmly31/wwwroot/en/source/cache/license_cache.php): failed to open stream: Permission denied in /home/ycdgjmy1ky9cedag2jlmly31/wwwroot/en/source/model/api.class.php on line 217
| ITEMS | STANDARD |
| Appearance | White crystalline powder |
| Purity | 99.5% min |
| Melting point | 287 ℃ min |
| Heavy metals( as Pb) | 10 ppm max |
| Residue on ignition | 0.1% max |
| Arsenic(as As) | 3 ppm max |
| Loss on drying | 0.5% max |
| Maleic Acid | 0.1% max |