| Appearance |
: |
Sodium Citrate appears as white crystalline powder. |
| Solubility |
: |
Freely soluble in water. Pratically insoluble in 95% ethanol and ether |
| Identification |
: |
Complies the test |
| Acidity or Alkalinity |
: |
20ml. of 10.0% solutions should not consume more than 0.5ml of 0.05H2SO4 solution
(or)
20ml of 10.0% solution should not consume more than 0.5ml of 0.1N NaOH solution |
| Clarity and colour of solution (10.0%) |
: |
Should be clear and colourless |
| Arsenic |
: |
Max. 2 ppm |
| Heavy metals |
: |
Max. 10ppm |
| Chloride |
: |
Max. 100ppm |
| Oxalate |
: |
Max. 300ppm |
| Sulphate |
: |
Max. 150 ppm |
| Tartrate |
: |
Shall be absent |
| Readily carbonisable substances |
: |
The solution is not more intensely coloured than reference solution. |
| Water |
: |
Between 11.0% and 13.0% |
| Assay |
: |
98.5 - 101% |
| The above test shall be carried out as per the above standards. |
