Description |
White crystalline powder. |
Odour |
Odourless |
Solubility |
Freely soluble in alcohol, Acetone, ether & slightly soluble in water. |
Identification |
A) Absorbance at 258 nm 0.44 to 0.47
B) Soln B is yellow to orange, Soln A is orange to red & more coloured than the colour obtained in soln |
Assay |
98.0% - 102.0% (By HPLC) |
Melting Range |
960C – 980C |
Acidity |
NMT 0.1ml of 0.1M NaOH |
Loss on Drying (at 1050C) |
NMT 0.5% |
Related substances |
NMT1.0% |
Chlorides |
NMT 500 ppm |
Sulphates |
NMT 120 ppm |
Heavy Metals (as Pb) |
NMT 20 ppm |
Arsenic (As) |
NMT 3 ppm |
Sulphated Ash |
NMT 0.1% |