| Items | Micro-electronic grade | Electronic grade | Battery grade |
| Purity (GC, wt%) | ≥99.95 | ≥99.9 | ≥99.9 |
| Water (K.F.,ppm) | ≤100 | ≤200 | ≤200 |
| Chroma (Hazen, APHA) | ≤10 | ≤10 | ≤10 |
| 10% solution pH value | 6-9 | 6-9 | 6-9 |
| free amine(ppm) | / | / | ≤20 |
| total amine (based on MMA, ppm) | ≤15 | ≤20 | ≤30 |
| Cl-,PO43-, SO42-(ppm) | ≤0.02 | ≤0.02 | / |
| NO3- (ppm) | ≤0.01 | ≤0.01 | / |
| Metal ion(ppb) K,Na,Ca,Zn,Mg,Cd,Pb,Cr,Hg,As,Ni,Sn,B,Si,Mn,Fe,Cu,Ag,Ti,Al,Li,Co,Au | ≤10 | ≤20 | / |