Physical state at 20 °C | Solid | Odour | Musty odour |
pH value | 4 – 7 at 66.7 g/l at 60 °C |
Appearance | Yellowish brown free flowing crystals |
Loss on drying | Max 12% |
Ash content | Max 3.25% |
Sulphur dioxide (SO2) | Max 0.0002% |
Heavy metals (Zn, Cu, Pb) | Passes IP test |
E.coli. | Absent |
Liquifiers | Absent |