Warning: file_put_contents(/home/ycdgjmy1ky9cedag2jlmly31/wwwroot/source/cache/license_cache.php): failed to open stream: Permission denied in /home/ycdgjmy1ky9cedag2jlmly31/wwwroot/source/model/api.class.php on line 217
| ITEM | STANDARD |
Appearance | White crystalline powder |
Identification | Pass test |
Assay (C10H14N2Na2O8.2H2O) | 99.0% ~ 101.0% |
Chloride (Cl) | =< 0.01% |
Sulphate (SO4) | =< 0.1% |
pH (1%) | 4.0- 5.0 |
Ferrum (Fe) | =< 10 mg/kg |
Lead (Pb) | =< 5 ppm |
Heavy metals (as Pb) | =< 10 ppm |