Specifications:
ITEM | STANDARD | |||
---|---|---|---|---|
Ⅰ | Ⅱ | Ⅲ | Ⅳ | |
Humic acid (dry basis) | 50.0% min | 60.0% min | 70.0% min | 80.0% min |
Moisture | 15.0% max | 15.0% max | 15.0% max | 15.0% max |
Solubility | 85.0% min | 90.0% min | 95.0% min | 100.0% |
PH Value | 9.0-11.0 | 9.0-11.0 | 9.0-11.0 | 9.0-11.0 |
Appearance |
Powder/Granule/Pearl/Ball/Flake |