Magnesium Stearate
Ville: LV, Marupe
Physical & Chemical Characteristics
Analysis Item | Specification | Result |
Appearance | A white, very fine, light, powder, | Conforms |
Identification | Conform Confroms | Conforms |
Assay | The content of Mg: 4.0~5.0% | 4.6% |
Acid or alkalinity | Conform | Conforms |
Chloride | ≤ 0.1% | <0.1% |
Sulfate | ≤ 1.0% | <1.0 % |
Loss on drying | ≤ 6.0% | 4.5% |
Heavy metals | ≤ 10 ppm Conforms | Conforms |
Nickel | ≤ 5 ppm Conforms | Conforms |
Cadmium (Cd) (internal control) | ≤ 1 ppm Conforms | Conforms |
Lead (Pb) (internal control) | ≤ 3 ppm Conforms | Conforms |
Mercury (Hg) (internal control) | ≤ 0.1 ppm Conforms | Conforms |
Arsenic | < 1ppm Conforms | Conforms |
Total stearic acid and palmitic acid | ≥ 90.0% | 99.5% |
Stearic acid | stearic acid and palmitic acid ≥ 40.0% | 42.1% |
Microbiological Tests
Analysis Item | Specification | Result |
Total aerobic microbial count | ≤ 1000 cfu/g | 20 cfu/g |
Yeasts & Molds | ≤ 100 cfu/g | < 10 cfu/g |
Escherichia coli | Negative | Negative |
Salmonella species | Negative | Negative |
General Status
Irradiation | Non-irradiation | Conforms |