Table 3.
Drug formulation analysis for heavy metals
| Heavy metal | Result (ppm) | Permissible limit (WHO Canada for herbal formulations, 2007) ppm |
|---|---|---|
| Arsenic | 2.9 | 5 |
| Cadmium | ND | 0.3 |
| Lead | 638.19 g/kg | 10 mg/kg |
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