| S. No. |
Test |
Requirements |
Found |
| 1 |
Description |
Very Fine, Light, White Powder,
Odourless or with a very faint odour of Stearic Acid, Unctuous and
free from grittiness |
A White light Powder |
| 2 |
Solubility |
To Comply IP / BP |
Complies |
| 3 |
Identification |
To Comply TESTS A and B |
Complies |
| 4 |
Acidity Or Alkalinity |
NMT 0.05 ml of 0.1 M HCL or 0.1
or 0.1 M NaoH consumed |
0.025ml 10% HCL |
| 5 |
Colour Of Solution |
To Comply IP / BP |
Complies |
| 6 |
Clarity & Colour Of The
Solution Of The Fatty Acids |
To Comply IP / BP |
Complies |
| 7 |
Acid Value Of The Fatty Acids |
Between 195 and 210 |
204 |
| 8 |
Free Stearic Acid |
NMT 3.0% W/W |
1.2% |
| 9 |
Zinc Stearate |
To Comply IP / BP |
Complies |
| 10 |
Heavy Metal |
NMT 20 ppm |
<20 |
| 11 |
Chloride |
NMT 250 ppm |
<250 |
| 12 |
Sulphate |
NMT 0.6% |
0.38% |
| 13 |
Loss On Drying |
NMT 0.6% W/W |
4.2% |
| 14 |
ASSAY (W/W) On Dried Basis |
NLT : 3.8% NMT : 5.0% of Mg |
4.5% |
| 15 |
Microbial Contamination: |
A) Total Viable Aerobic count :
NMT 1000 micro organism
B) Escherichiacoli : Absent |
- |
