Appearance | white to off-white powder |
K-value | 22.5-27.0 | < /tr>
Nitrogen content (N) | 11.5-12.8 % |
Clearness (5 % in H2< /sub>O) | clear |
Water (KF) | ?5.0 % |
Sulphated ash | ?0.1 % |
pH value (5 % in H2O) | 3.0-5.0 |
Vinylpyrrolidone (HPLC) | ?0.001% |
Heavy metals | ?0.001 % |
Aldehyde | ?0.05 % |
Hydrazine | ?0.0001 % |
Peroxides (as H2O2) | ?0.04 % |