Assay (ex N2) | ≥99,5 % |
In C2H5OH insoluble matter | ≤0,01 % |
Melting range | 132-135 °C |
Sulphated ash | ≤0,01 % |
Chloride (Cl) | ≤0,007 % |
Sulphate (SO4) | ≤0,01 % |
Ammonium (NH4) | ≤0,05 % |
Heavy metals (as Pb) | ≤0,0003 % |
Arsenic (As) | ≤0,00005 % |
Iron (Fe) | ≤0,0001 % |
Copper (Cu) | ≤0,0001 % |
Biuret | ≤0,1 % |