Description |
: |
Very fine, light, white powder, odourless or with
a very faint odour of Stearic Acid, free from gritty ness. |
Solubility |
: |
Passes B.P. Test |
Identification |
: |
Passes B.P. Test |
Acidity or Alkalanity |
: |
0.025 ml (NMT 0.05 ml of 0.1 M HCl ) |
Colour of solution |
: |
Passes B.P. Test |
Clarity & colour of
Solution of Fatty acid
|
: |
Passes B.P. Test |
Acid value of fatty acid |
: |
204 (Between 195 to 210) |
Free Stearic Acid |
: |
2.0% ( NMT 3.0% w/w) |
Zinc Stearate |
: |
Passes BP test |
Heavy Metals |
: |
< 20 ppm. (NMT 20 ppm) |
Chloride |
: |
< 250 ppm. (NMT 250 ppm) |
Sulphate |
: |
< 0.6 % (NMT 0.6%) |
Loss of drying |
: |
3.8% (NMT 6.0%) |
Assay(w/w) on dried basis |
: |
4.4 % (3.8% to 5.0% of Mg) |
Microbial contamination |
: |
70 (NMT 1000 micro organism) |
E.Coli |
: |
Absent |
Cadmium |
: |
< 3 (NMT 3 ppm) |
Lead |
: |
< 10 ( NMT 10 ppm) |
Nickle |
: |
< 5 (NMT 5 ppm) |