[Quality Standard] Q/DHJ 02—2018
[Usage] Used in pharma-industry as material for making effervesc-ence tablet, sastricacid neutralixing medicine, dissolving agent for hard-dissolving acid medicine and foaming agent in scour.
| ITEM | SPECIFICATION |
| Sodium | 27.0～29.0％ |
| Nitrogent | 8.0～9.0％ |
| pH value (5% water solution) | 9.6～10.6 |
| Heavy metal (according to Pb) | ≤0.0020％ |
| Lead（Pb） | ≤0.0005％ |
| Arsenic (As) | ≤0.00030％ |
| Loss on drying | ≤0.50％ |
