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List of raw materials.
| Materials | Supplier | Purity (%) | Form |
|---|---|---|---|
| Magnesium | Acros Organics (Fair Lawn, NJ, USA) | >99.9 | Chips |
| Zinc | Good Fellow (Huntingdon, UK) | 98.8 | Powder |
| Manganese | Good Fellow (Huntingdon, UK) | >97.5 | Powder |
| Calcium | Merck (Singapore) | 99 | Granules |
