CHEMICAL AND PHYSICAL PROPERTIES
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)
 
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