| Analysis Item | Quality Indexes | Results |
| Purity(dried substance)w/% ≥ | 98.5 | 99.62 |
| PH(1% water solubles) | 8.0-9.5 | 8.25 |
| Loss on drying, w/% ≤ | 2.0 | 0.24 |
| Test of acetate acid | Pass the test | Pass the test |
| Test of sodium | Pass the test | Pass the test |
| Formic acid(mg/Kg) ≤ | 1000 | <1000 |
| Arsenic(As)/ (mg/Kg) ≤ | 3 | <3 |
| Lead(Pb)/(mg/Kg) ≤ | 2 | <2 |
| Mercury(Hg)/(mg/Kg) ≤ | 1 | <1 |
