| ≥1 piece |
| ITEM | STANDARD |
| Appearance | White to off-white granular |
| Assay (%) | 99.0 - 101.0 |
| Loss on drying (%) | ≤1 |
| Heat Stability | No change in colour after heating for 90 minutes at 105℃ |
| Acidity (as C6H8O2, %) | ≤1 |
| Alkalinity (as K2CO3, %) | ≤1 |
| Chloride (as Cl, %) | ≤0.018 |
| Aldehydes (as formaldehyde, %) | ≤0.1 |
| Sulfate (as SO4, %) | ≤0.038 |
| Arsenic | ≤3 mg/ kg |
| Lead | ≤2 mg/ kg |
| mercury | ≤1 mg/ kg |
| Heavy Metals (as PB) | ≤10 mg/ kg |
| Oxidizer | None |
Potassium Sorbate Granular is used for food, cosmetic, medical health product and anti-mortify for tobacco. As unsaturated acid, it also used as resin, aromatics and rubber industry.
Specification of potassium sorbate
|
Item |
|
Specification |
|
Name |
Potassium Sorbate |
|
|
CAS No |
590-001-1 |
|
|
Appearance |
White granular |
|
|
Assay(C6H7O2K) |
98.0~101.0% |
|
|
Dissociation alkali(as K2CO3) |
Qualified |
|
|
Chloride(as Cl) |
≤0.018% |
|
|
Sulfate(SO4) |
≤0.038% |
|
|
Aldehyde As HCHO |
≤0.1% |
|
|
Acidity or Alkalinity |
≤1.0% |
|
|
Heavy Metals(as Pb) |
≤10ppm |
|
|
Aresenic (as AS) |
≤2ppm |
|
|
Lead( Pb) |
≤5ppm |
|
|
Loss on drying |
≤1.0% |
|
|
Clarify |
Qualified |
|
|
Packing |
25kg |
|
|
Shelf life |
2 years |