Items |
Specification |
|
Appearance: |
A white or almost white powder |
|
Identification: |
Positive |
|
Solubility: |
Pratically insoluble in water |
|
Acidity or Alkalinity: |
Requires 0.01M Sodium hydroxide VS not more than 0.2ml and 0.01M Hydrochloric acid VS not more than 0.4ml |
|
Clarity and color of solution: |
2.5% M/V mixed solution clear; Color not more than BY6 |
|
Sulphate: |
Not more than 80ppm |
|
Related substances: |
Any secondary spot in solution 1.0% W/V solution is not more than 0.0025% W/V. |
|
Loss on drying: |
Not more than 0.5% |
|
Sulfated ash: |
Not more than 0.1% |
|
Melting point: |
239-242 Celsius degree |
|
Assay: |
99.0 -101.0% |
