[Quality Standard] Q/DHJ 03—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 | 18.0—20.0% | 
| Nitrogent | 11.0—12.5% | 
| pH value(5% water solution) | 8.5—9.5 | 
| Heavy metal(according to pb) | ≤0.0020% | 
| Lead (Pb) | ≤0.0005% | 
| Arsenic (As) | ≤0.00030% | 
| Loss on drying | ≤0.50% | 
