1. Apperance: Colorless crystals or white crystalline powder .
2. Assay: Industry grade ≥98% , Pharm grade ≥99%
3. Usage:
1). For pharmaceutical chemical.
2). For animals feed additives.
3). For analysis of chemical reagents.
4.Packing: Usually 25kgs per cardboard drum.
5.CAS No.: 7681-11-0
| Item of analysis | Standard | Result of analysis |
| Description | Colorless crystal or white crystalline powder | Colorless crystal |
| SO4 | <0.04% | <0.04% |
| Loss on drying% | <0.6% | <0.6% |
| Heavy metal(pb) | <0.001% | <0.001% |
| Arsenic salt(As) | <0.0002% | <0.0002% |
| Chlorid | <0.5% | <0.5% |
| Alkalinity | Conform standard | Conform standard |
| Lodate,barium salt | Conform standard | Conform standard |
| Assay | (KI)99% | 99.0% |
Hunan Solar Chemical Co., Ltd.
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