Standard:
Items | Specification |
Appearance | White or light yellow flake crystal,melted material is atransparent liquid free from scum |
120.5 122.0 | |
Volatile substance,%ï | 0.20 |
Alcohol insoluble-substance,%ï | 0.09 |
Ash contect,%ï | 0.08 |
Amines%ï | 0.20 |
Acids(as acetic acid), %ï | 0.006 |
Purity,%ï | 97 |